[pull] master from kata-containers:master#52

Merged

pull[bot] merged 4 commits intobergwolf:masterfrom kata-containers:master

Oct 20, 2020

+116-17

Commits on Sep 9, 2020

runtime: Don' call bindUnmountContainerRootfs for devicemapper device
keloyang
committed

Commits on Sep 18, 2020

runtime: Fix /var/lib/vc/sbs/${sid} dir residual
keloyang
committed

Commits on Oct 17, 2020

Merge pull request #2922 from keloyang/residue
amshinde
authored

Commits on Oct 19, 2020

Merge pull request #2915 from keloyang/bindmount
amshinde
authored