containerd 1.6.4-1 changes something about cgroups.procs file
(need to investigate) and this causes libvirt's
readiness probes to fail with an error like:
Readiness probe failed: OCI runtime exec failed: exec failed: unable to
start container process: error adding pid 7366 to cgroups: failed to
write 7366: open
/sys/fs/cgroup/unified/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-podc2658f11_e579_435c_aab8_d7359f88968f.slice/docker-8cb51ac90cc54e6333028634c4a16592c093ceb0944964e344dcfce9e93f3ed3.scope/cgroup.procs:
no such file or directory: unknown
Change-Id: Icd860b4360d8547480780b271954a20e79d5a4cd
980d92e6b4