ipsec: libreswan: Reduce chances for crossing streams. #3166

Job	Run time
dpdk gcc	7s
linux deb no dpdk	4m 31s
osx clang --disable-ssl	1m 32s
linux gcc --disable-ssl	1m 59s
linux clang --disable-ssl	2m 5s
linux gcc c99	2m 4s
linux clang c99	2m 27s
linux gcc test	7m 24s
linux clang test asan	12m 58s
linux clang test ubsan	9m 4s
linux gcc test --enable-shared	10m 19s
linux clang test --enable-shared	10m 25s
linux gcc test dpdk	7m 48s
linux clang test dpdk	7m 31s
linux gcc test -ljemalloc	7m 41s
linux clang test -ljemalloc	7m 57s
linux gcc --enable-afxdp	2m 6s
linux clang --enable-afxdp	2m 4s
linux gcc dpdk --enable-shared	3m 2s
linux clang dpdk --enable-shared	2m 48s
linux gcc dpdk-shared	2m 10s
linux clang dpdk-shared	2m 23s
linux gcc dpdk-shared --enable-shared	2m 50s
linux clang dpdk-shared --enable-shared	2m 44s
linux gcc m32 --disable-ssl	2m 2s
	1h 58m 1s

Provide feedback