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attach healthchecking bpf prog to main inteface failed #22

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liayusuke opened this issue Jan 17, 2019 · 6 comments
Closed

attach healthchecking bpf prog to main inteface failed #22

liayusuke opened this issue Jan 17, 2019 · 6 comments

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@liayusuke
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Hi folks,
when tesing healthcheck, i found katran terminate with "called after throwing an instance of
std::invalid_argument" with attaching healthcheck bpf to main interface. After added some log, i found it's the mnl_cb_run in modifyTcBpfFilter return -1 and set errno to INVAL.

I have digged into libmnl source https://github.com/threatstack/libmnl/blob/master/src/callback.c while there is no INVAL in in __mnl_cb_run . would anyone help me to figure this out?
Thanks
@liayusuke
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liayusuke commented Jan 17, 2019 •
edited
Loading

kernel version:
Linux ubuntu 4.15.0-43-generic #46-Ubuntu SMP Thu Dec 6 14:45:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

libmnl version: 0.2.0

@tehnerd
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tehnerd commented Jan 17, 2019 •
edited
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Could you please show the outpu of the command: “tc qd show dev <name of interface where you are trying to attach>”

@liayusuke
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start flags

--intf=eth0
--ipip_intf=tunl0
--ipip6_intf=tunl0
--lru_size=100000
--hc_forwarding=true
--hc_interface=bond0
--forwarding_cores=0,1,2,3,4,5,6,7
--numa_nodes=0,0,0,0,0,0,0,0
--priority=100
--xdp_mode=driver

tc qd show dev eth0

qdisc mq 0: root
qdisc pfifo_fast 0: parent :38 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :37 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :36 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :35 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :34 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :33 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :32 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :31 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :30 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2f bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2e bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2d bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2c bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2b bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2a bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :29 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :28 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :27 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :26 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :25 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :24 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :23 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :22 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :21 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :20 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1f bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1e bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1d bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1c bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1b bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1a bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :19 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :18 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :17 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :16 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :15 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :14 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :13 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :12 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :11 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :10 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :f bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :e bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :d bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :c bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :b bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :a bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :9 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :8 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :7 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :6 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :5 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :4 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :3 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :2 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: parent :1 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1

@tehnerd
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tehnerd commented Jan 18, 2019 •
edited
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You need to add clsact qdisc for healthchecking to work. From EXAMPLE.md:

“If you need to run bpf program for healthchecks forwarding - you need to attach clsact qdisc on egress interface (enp0s3 in this example):

$ sudo tc qd add dev enp0s3 clsact
“

Use bond0 instead of enp0s3 in your case

@tehnerd
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tehnerd commented Jan 18, 2019 •
edited
Loading

Also looks like from your flags:

  1. you have modified code (hc_interface flag is not in example; could you share what have changed ?)
  2. you have same interface for ipip and ipip6 healthchecks. Most likely it won’t work. See EXAMPLES.md on how to configure em properly
  3. the general setup is strange: attaching XDP to eth0 and healthchecks to bond0. How many links in bond0? Could you describe better what you want to achieve

@liayusuke
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oh, it's my fault that I miss to set clsact.
thanks!

facebook-github-bot pushed a commit that referenced this issue Mar 20, 2024
@lima1756 @facebook-github-bot
Fixing build system (#222)
226b33d 
Summary:
After diving in all the build system I found that the first error mentioned in #219 and #220

```
1597 | static_assert(formattable_char, "Mixing character types is disallowed.");
```

Was basically happening while compiling folly, after compiling it by itself I noticed this didn't happened, so I found that there was an issue with the fmt dependencies, removing the one that was downloaded by katran

The issue mentioned in: #221

Was because katran was configured to use C++14 by default, and some of the libraries of folly require C++17, updated our requirements.


Test Plan:
TEST Output:

```
Test project /home/ubuntu/ivanmorett/katran/_build/build/katran/lib/tests
      Start  1: IpHelpersTests.testV4ParsingBe
 1/56 Test  #1: IpHelpersTests.testV4ParsingBe .......................   Passed    0.01 sec
      Start  2: IpHelpersTests.testV4ParsingInt
 2/56 Test  #2: IpHelpersTests.testV4ParsingInt ......................   Passed    0.01 sec
      Start  3: IpHelpersTests.testV6ParsingBe
 3/56 Test  #3: IpHelpersTests.testV6ParsingBe .......................   Passed    0.01 sec
      Start  4: IpHelpersTests.testV6ParsingInt
 4/56 Test  #4: IpHelpersTests.testV6ParsingInt ......................   Passed    0.01 sec
      Start  5: IpHelpersTests.testIncorrectAddr
 5/56 Test  #5: IpHelpersTests.testIncorrectAddr .....................   Passed    0.01 sec
      Start  6: CHHelpersTest.testMaglevCHSameWeight
 6/56 Test  #6: CHHelpersTest.testMaglevCHSameWeight .................   Passed    0.01 sec
      Start  7: CHHelpersTest.testMaglevV2CHSameWeight
 7/56 Test  #7: CHHelpersTest.testMaglevV2CHSameWeight ...............   Passed    0.01 sec
      Start  8: CHHelpersTest.testMaglevCHDiffWeight
 8/56 Test  #8: CHHelpersTest.testMaglevCHDiffWeight .................   Passed    0.01 sec
      Start  9: CHHelpersTest.testMaglevV2CHDiffWeight
 9/56 Test  #9: CHHelpersTest.testMaglevV2CHDiffWeight ...............   Passed    0.01 sec
      Start 10: CHHelpersTest.testMaglevWeightsSumLargerThanRing
10/56 Test #10: CHHelpersTest.testMaglevWeightsSumLargerThanRing .....   Passed    0.01 sec
      Start 11: CHHelpersTest.testMaglevWeightsSumBelowRingSize
11/56 Test #11: CHHelpersTest.testMaglevWeightsSumBelowRingSize ......   Passed    0.01 sec
      Start 12: KatranLbTest.testChangeMac
12/56 Test #12: KatranLbTest.testChangeMac ...........................   Passed    0.01 sec
      Start 13: KatranLbTest.testIfIndex
13/56 Test #13: KatranLbTest.testIfIndex .............................   Passed    0.01 sec
      Start 14: KatranLbTest.testVipHelpers
14/56 Test #14: KatranLbTest.testVipHelpers ..........................   Passed    0.14 sec
      Start 15: KatranLbTest.testAddingInvalidVip
15/56 Test #15: KatranLbTest.testAddingInvalidVip ....................   Passed    0.01 sec
      Start 16: KatranLbTest.testRealHelpers
16/56 Test #16: KatranLbTest.testRealHelpers .........................   Passed    0.01 sec
      Start 17: KatranLbTest.testRealFlags
17/56 Test #17: KatranLbTest.testRealFlags ...........................   Passed    0.01 sec
      Start 18: KatranLbTest.testVipStatsHelper
18/56 Test #18: KatranLbTest.testVipStatsHelper ......................   Passed    0.01 sec
      Start 19: KatranLbTest.testLruStatsHelper
19/56 Test #19: KatranLbTest.testLruStatsHelper ......................   Passed    0.01 sec
      Start 20: KatranLbTest.testLruMissStatsHelper
20/56 Test #20: KatranLbTest.testLruMissStatsHelper ..................   Passed    0.01 sec
      Start 21: KatranLbTest.testHcHelpers
21/56 Test #21: KatranLbTest.testHcHelpers ...........................   Passed    0.01 sec
      Start 22: KatranLbTest.getVipFlags
22/56 Test #22: KatranLbTest.getVipFlags .............................   Passed    0.01 sec
      Start 23: KatranLbTest.getAllVips
23/56 Test #23: KatranLbTest.getAllVips ..............................   Passed    0.01 sec
      Start 24: KatranLbTest.testUpdateRealsHelper
24/56 Test #24: KatranLbTest.testUpdateRealsHelper ...................   Passed    0.07 sec
      Start 25: KatranLbTest.testUpdateQuicRealsHelper
25/56 Test #25: KatranLbTest.testUpdateQuicRealsHelper ...............   Passed    0.06 sec
      Start 26: KatranLbTest.testUpdateQuicReal
26/56 Test #26: KatranLbTest.testUpdateQuicReal ......................   Passed    0.01 sec
      Start 27: KatranLbTest.getRealsForVip
27/56 Test #27: KatranLbTest.getRealsForVip ..........................   Passed    0.01 sec
      Start 28: KatranLbTest.getHealthcheckersDst
28/56 Test #28: KatranLbTest.getHealthcheckersDst ....................   Passed    0.01 sec
      Start 29: KatranLbTest.invalidAddressHandling
29/56 Test #29: KatranLbTest.invalidAddressHandling ..................   Passed    0.01 sec
      Start 30: KatranLbTest.addInvalidSrcRoutingRule
30/56 Test #30: KatranLbTest.addInvalidSrcRoutingRule ................   Passed    0.01 sec
      Start 31: KatranLbTest.addValidSrcRoutingRuleV4
31/56 Test #31: KatranLbTest.addValidSrcRoutingRuleV4 ................   Passed    0.01 sec
      Start 32: KatranLbTest.addValidSrcRoutingRuleV6
32/56 Test #32: KatranLbTest.addValidSrcRoutingRuleV6 ................   Passed    0.01 sec
      Start 33: KatranLbTest.addMaxSrcRules
33/56 Test #33: KatranLbTest.addMaxSrcRules ..........................   Passed    0.01 sec
      Start 34: KatranLbTest.delSrcRules
34/56 Test #34: KatranLbTest.delSrcRules .............................   Passed    0.01 sec
      Start 35: KatranLbTest.clearSrcRules
35/56 Test #35: KatranLbTest.clearSrcRules ...........................   Passed    0.01 sec
      Start 36: KatranLbTest.addFewInvalidNets
36/56 Test #36: KatranLbTest.addFewInvalidNets .......................   Passed    0.01 sec
      Start 37: KatranLbTest.addInvalidDecapDst
37/56 Test #37: KatranLbTest.addInvalidDecapDst ......................   Passed    0.01 sec
      Start 38: KatranLbTest.addInvalidDecapDstNet
38/56 Test #38: KatranLbTest.addInvalidDecapDstNet ...................   Passed    0.01 sec
      Start 39: KatranLbTest.addValidDecapDst
39/56 Test #39: KatranLbTest.addValidDecapDst ........................   Passed    0.01 sec
      Start 40: KatranLbTest.delValidDecapDst
40/56 Test #40: KatranLbTest.delValidDecapDst ........................   Passed    0.01 sec
      Start 41: KatranLbTest.delInvalidDecapDst
41/56 Test #41: KatranLbTest.delInvalidDecapDst ......................   Passed    0.01 sec
      Start 42: KatranLbTest.addMaxDecapDst
42/56 Test #42: KatranLbTest.addMaxDecapDst ..........................   Passed    0.01 sec
      Start 43: VipTestF.testBatchUpdateReals
43/56 Test #43: VipTestF.testBatchUpdateReals ........................   Passed    0.04 sec
      Start 44: VipTestF.testBatchUpdateRealsWeight
44/56 Test #44: VipTestF.testBatchUpdateRealsWeight ..................   Passed    0.05 sec
      Start 45: VipTestF.testGetRealsAndWeight
45/56 Test #45: VipTestF.testGetRealsAndWeight .......................   Passed    0.01 sec
      Start 46: VipTestF.testGetReals
46/56 Test #46: VipTestF.testGetReals ................................   Passed    0.02 sec
      Start 47: VipTest.testAddRemoveReal
47/56 Test #47: VipTest.testAddRemoveReal ............................   Passed    0.01 sec
      Start 48: EventPipeCallbackTest.SimpleCallbackTest
48/56 Test #48: EventPipeCallbackTest.SimpleCallbackTest .............   Passed    0.01 sec
      Start 49: EventPipeCallbackTest.LargeWriteTest
49/56 Test #49: EventPipeCallbackTest.LargeWriteTest .................   Passed    0.15 sec
      Start 50: TestMonitoringServiceCore.SimpleAcceptSubscription
50/56 Test #50: TestMonitoringServiceCore.SimpleAcceptSubscription ...   Passed    0.01 sec
      Start 51: TestMonitoringServiceCore.SimpleErrors
51/56 Test #51: TestMonitoringServiceCore.SimpleErrors ...............   Passed    0.01 sec
      Start 52: TestMonitoringServiceCore.EventIntersection
52/56 Test #52: TestMonitoringServiceCore.EventIntersection ..........   Passed    0.01 sec
      Start 53: TestMonitoringServiceCore.RacingClients
53/56 Test #53: TestMonitoringServiceCore.RacingClients ..............   Passed    0.01 sec
      Start 54: TestMonitoringServiceCore.SubscribeAndCancel
54/56 Test #54: TestMonitoringServiceCore.SubscribeAndCancel .........   Passed    0.01 sec
      Start 55: PcapWriterTest.SingleWriter
55/56 Test #55: PcapWriterTest.SingleWriter ..........................   Passed    0.02 sec
      Start 56: PcapWriterTest.MultiWriter
56/56 Test #56: PcapWriterTest.MultiWriter ...........................   Passed    0.01 sec

100% tests passed, 0 tests failed out of 56

Total Test time (real) =   1.04 sec
+ cd ../testing/
+ ctest -v ./CMakeFiles ./CTestTestfile.cmake ./Makefile ./base64helpers-tests './base64helpers-tests[1]_include.cmake' './base64helpers-tests[1]_tests.cmake' ./cmake_install.cmake ./katran_tester ./libbase64_helpers.a ./libbpftester.a ./libkatran_test_provision.a ./libkatran_test_util.a ./libpcap_parser.a
ctest: /usr/local/lib/libcurl.so.4: no version information available (required by ctest)
Test project /home/ubuntu/ivanmorett/katran/_build/build/katran/lib/testing
    Start 1: Base64Tests.testEncode
1/2 Test #1: Base64Tests.testEncode ...........   Passed    0.01 sec
    Start 2: Base64Tests.testDecode
2/2 Test #2: Base64Tests.testDecode ...........   Passed    0.01 sec

100% tests passed, 0 tests failed out of 2

Total Test time (real) =   0.01 sec
+ popd
~/ivanmorett/katran/_build
```

Differential Revision: D55108012

Pulled By: lima1756
lima1756 added a commit that referenced this issue Mar 20, 2024
@lima1756
Fixing build system (#222) (#222)
e2681cf 
Summary:
After diving in all the build system I found that the first error mentioned in #219 and #220

```
1597 | static_assert(formattable_char, "Mixing character types is disallowed.");
```

Was basically happening while compiling folly, after compiling it by itself I noticed this didn't happened, so I found that there was an issue with the fmt dependencies, removing the one that was downloaded by katran

The issue mentioned in: #221

Was because katran was configured to use C++14 by default, and some of the libraries of folly require C++17, updated our requirements.


Test Plan:
TEST Output:

```
Test project /home/ubuntu/ivanmorett/katran/_build/build/katran/lib/tests
      Start  1: IpHelpersTests.testV4ParsingBe
 1/56 Test  #1: IpHelpersTests.testV4ParsingBe .......................   Passed    0.01 sec
      Start  2: IpHelpersTests.testV4ParsingInt
 2/56 Test  #2: IpHelpersTests.testV4ParsingInt ......................   Passed    0.01 sec
      Start  3: IpHelpersTests.testV6ParsingBe
 3/56 Test  #3: IpHelpersTests.testV6ParsingBe .......................   Passed    0.01 sec
      Start  4: IpHelpersTests.testV6ParsingInt
 4/56 Test  #4: IpHelpersTests.testV6ParsingInt ......................   Passed    0.01 sec
      Start  5: IpHelpersTests.testIncorrectAddr
 5/56 Test  #5: IpHelpersTests.testIncorrectAddr .....................   Passed    0.01 sec
      Start  6: CHHelpersTest.testMaglevCHSameWeight
 6/56 Test  #6: CHHelpersTest.testMaglevCHSameWeight .................   Passed    0.01 sec
      Start  7: CHHelpersTest.testMaglevV2CHSameWeight
 7/56 Test  #7: CHHelpersTest.testMaglevV2CHSameWeight ...............   Passed    0.01 sec
      Start  8: CHHelpersTest.testMaglevCHDiffWeight
 8/56 Test  #8: CHHelpersTest.testMaglevCHDiffWeight .................   Passed    0.01 sec
      Start  9: CHHelpersTest.testMaglevV2CHDiffWeight
 9/56 Test  #9: CHHelpersTest.testMaglevV2CHDiffWeight ...............   Passed    0.01 sec
      Start 10: CHHelpersTest.testMaglevWeightsSumLargerThanRing
10/56 Test #10: CHHelpersTest.testMaglevWeightsSumLargerThanRing .....   Passed    0.01 sec
      Start 11: CHHelpersTest.testMaglevWeightsSumBelowRingSize
11/56 Test #11: CHHelpersTest.testMaglevWeightsSumBelowRingSize ......   Passed    0.01 sec
      Start 12: KatranLbTest.testChangeMac
12/56 Test #12: KatranLbTest.testChangeMac ...........................   Passed    0.01 sec
      Start 13: KatranLbTest.testIfIndex
13/56 Test #13: KatranLbTest.testIfIndex .............................   Passed    0.01 sec
      Start 14: KatranLbTest.testVipHelpers
14/56 Test #14: KatranLbTest.testVipHelpers ..........................   Passed    0.14 sec
      Start 15: KatranLbTest.testAddingInvalidVip
15/56 Test #15: KatranLbTest.testAddingInvalidVip ....................   Passed    0.01 sec
      Start 16: KatranLbTest.testRealHelpers
16/56 Test #16: KatranLbTest.testRealHelpers .........................   Passed    0.01 sec
      Start 17: KatranLbTest.testRealFlags
17/56 Test #17: KatranLbTest.testRealFlags ...........................   Passed    0.01 sec
      Start 18: KatranLbTest.testVipStatsHelper
18/56 Test #18: KatranLbTest.testVipStatsHelper ......................   Passed    0.01 sec
      Start 19: KatranLbTest.testLruStatsHelper
19/56 Test #19: KatranLbTest.testLruStatsHelper ......................   Passed    0.01 sec
      Start 20: KatranLbTest.testLruMissStatsHelper
20/56 Test #20: KatranLbTest.testLruMissStatsHelper ..................   Passed    0.01 sec
      Start 21: KatranLbTest.testHcHelpers
21/56 Test #21: KatranLbTest.testHcHelpers ...........................   Passed    0.01 sec
      Start 22: KatranLbTest.getVipFlags
22/56 Test #22: KatranLbTest.getVipFlags .............................   Passed    0.01 sec
      Start 23: KatranLbTest.getAllVips
23/56 Test #23: KatranLbTest.getAllVips ..............................   Passed    0.01 sec
      Start 24: KatranLbTest.testUpdateRealsHelper
24/56 Test #24: KatranLbTest.testUpdateRealsHelper ...................   Passed    0.07 sec
      Start 25: KatranLbTest.testUpdateQuicRealsHelper
25/56 Test #25: KatranLbTest.testUpdateQuicRealsHelper ...............   Passed    0.06 sec
      Start 26: KatranLbTest.testUpdateQuicReal
26/56 Test #26: KatranLbTest.testUpdateQuicReal ......................   Passed    0.01 sec
      Start 27: KatranLbTest.getRealsForVip
27/56 Test #27: KatranLbTest.getRealsForVip ..........................   Passed    0.01 sec
      Start 28: KatranLbTest.getHealthcheckersDst
28/56 Test #28: KatranLbTest.getHealthcheckersDst ....................   Passed    0.01 sec
      Start 29: KatranLbTest.invalidAddressHandling
29/56 Test #29: KatranLbTest.invalidAddressHandling ..................   Passed    0.01 sec
      Start 30: KatranLbTest.addInvalidSrcRoutingRule
30/56 Test #30: KatranLbTest.addInvalidSrcRoutingRule ................   Passed    0.01 sec
      Start 31: KatranLbTest.addValidSrcRoutingRuleV4
31/56 Test #31: KatranLbTest.addValidSrcRoutingRuleV4 ................   Passed    0.01 sec
      Start 32: KatranLbTest.addValidSrcRoutingRuleV6
32/56 Test #32: KatranLbTest.addValidSrcRoutingRuleV6 ................   Passed    0.01 sec
      Start 33: KatranLbTest.addMaxSrcRules
33/56 Test #33: KatranLbTest.addMaxSrcRules ..........................   Passed    0.01 sec
      Start 34: KatranLbTest.delSrcRules
34/56 Test #34: KatranLbTest.delSrcRules .............................   Passed    0.01 sec
      Start 35: KatranLbTest.clearSrcRules
35/56 Test #35: KatranLbTest.clearSrcRules ...........................   Passed    0.01 sec
      Start 36: KatranLbTest.addFewInvalidNets
36/56 Test #36: KatranLbTest.addFewInvalidNets .......................   Passed    0.01 sec
      Start 37: KatranLbTest.addInvalidDecapDst
37/56 Test #37: KatranLbTest.addInvalidDecapDst ......................   Passed    0.01 sec
      Start 38: KatranLbTest.addInvalidDecapDstNet
38/56 Test #38: KatranLbTest.addInvalidDecapDstNet ...................   Passed    0.01 sec
      Start 39: KatranLbTest.addValidDecapDst
39/56 Test #39: KatranLbTest.addValidDecapDst ........................   Passed    0.01 sec
      Start 40: KatranLbTest.delValidDecapDst
40/56 Test #40: KatranLbTest.delValidDecapDst ........................   Passed    0.01 sec
      Start 41: KatranLbTest.delInvalidDecapDst
41/56 Test #41: KatranLbTest.delInvalidDecapDst ......................   Passed    0.01 sec
      Start 42: KatranLbTest.addMaxDecapDst
42/56 Test #42: KatranLbTest.addMaxDecapDst ..........................   Passed    0.01 sec
      Start 43: VipTestF.testBatchUpdateReals
43/56 Test #43: VipTestF.testBatchUpdateReals ........................   Passed    0.04 sec
      Start 44: VipTestF.testBatchUpdateRealsWeight
44/56 Test #44: VipTestF.testBatchUpdateRealsWeight ..................   Passed    0.05 sec
      Start 45: VipTestF.testGetRealsAndWeight
45/56 Test #45: VipTestF.testGetRealsAndWeight .......................   Passed    0.01 sec
      Start 46: VipTestF.testGetReals
46/56 Test #46: VipTestF.testGetReals ................................   Passed    0.02 sec
      Start 47: VipTest.testAddRemoveReal
47/56 Test #47: VipTest.testAddRemoveReal ............................   Passed    0.01 sec
      Start 48: EventPipeCallbackTest.SimpleCallbackTest
48/56 Test #48: EventPipeCallbackTest.SimpleCallbackTest .............   Passed    0.01 sec
      Start 49: EventPipeCallbackTest.LargeWriteTest
49/56 Test #49: EventPipeCallbackTest.LargeWriteTest .................   Passed    0.15 sec
      Start 50: TestMonitoringServiceCore.SimpleAcceptSubscription
50/56 Test #50: TestMonitoringServiceCore.SimpleAcceptSubscription ...   Passed    0.01 sec
      Start 51: TestMonitoringServiceCore.SimpleErrors
51/56 Test #51: TestMonitoringServiceCore.SimpleErrors ...............   Passed    0.01 sec
      Start 52: TestMonitoringServiceCore.EventIntersection
52/56 Test #52: TestMonitoringServiceCore.EventIntersection ..........   Passed    0.01 sec
      Start 53: TestMonitoringServiceCore.RacingClients
53/56 Test #53: TestMonitoringServiceCore.RacingClients ..............   Passed    0.01 sec
      Start 54: TestMonitoringServiceCore.SubscribeAndCancel
54/56 Test #54: TestMonitoringServiceCore.SubscribeAndCancel .........   Passed    0.01 sec
      Start 55: PcapWriterTest.SingleWriter
55/56 Test #55: PcapWriterTest.SingleWriter ..........................   Passed    0.02 sec
      Start 56: PcapWriterTest.MultiWriter
56/56 Test #56: PcapWriterTest.MultiWriter ...........................   Passed    0.01 sec

100% tests passed, 0 tests failed out of 56

Total Test time (real) =   1.04 sec
+ cd ../testing/
+ ctest -v ./CMakeFiles ./CTestTestfile.cmake ./Makefile ./base64helpers-tests './base64helpers-tests[1]_include.cmake' './base64helpers-tests[1]_tests.cmake' ./cmake_install.cmake ./katran_tester ./libbase64_helpers.a ./libbpftester.a ./libkatran_test_provision.a ./libkatran_test_util.a ./libpcap_parser.a
ctest: /usr/local/lib/libcurl.so.4: no version information available (required by ctest)
Test project /home/ubuntu/ivanmorett/katran/_build/build/katran/lib/testing
    Start 1: Base64Tests.testEncode
1/2 Test #1: Base64Tests.testEncode ...........   Passed    0.01 sec
    Start 2: Base64Tests.testDecode
2/2 Test #2: Base64Tests.testDecode ...........   Passed    0.01 sec

100% tests passed, 0 tests failed out of 2

Total Test time (real) =   0.01 sec
+ popd
~/ivanmorett/katran/_build
```

Differential Revision: D55108012

Pulled By: lima1756
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@liayusuke @tehnerd