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> What do you think? Agree. We are indeed focusing on the bug fix of `1.2.0`. What I think is that this PR needs more careful review. If we have...

> @lifubang are you going to keep working on that? Yes, I'll work on it after my children's winter vacation ended in the next week.

@rata @kolyshkin @cyphar @AkihiroSuda PTAL

I don't want to rebase the branch, because I want to test it in `ubuntu-20.04`(It has been removed in #4634).

> I've taken a look at this a few times and I'm not sure how I feel about it. Yes, it removes C code but I'm not really sure whether...

Could you please help to provide more informations, for example: 1. The content of `config.json`; 2. `ls /sys/fs/cgroup/systemd/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod207aaad1_659f_4db8_88e0_46e0cdcc3004.slice/crio-32da98c8522068be05a7510a3eddb09cad6ed2f03286180d0e931d0d0b6224a6.scope`; 3. `cat /sys/fs/cgroup/systemd/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod207aaad1_659f_4db8_88e0_46e0cdcc3004.slice/crio-32da98c8522068be05a7510a3eddb09cad6ed2f03286180d0e931d0d0b6224a6.scope/cgroup.procs`; And I want to know which cgroup path is...

> systemd cgroup changed to 1:name=systemd:/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice/crio-conmon-5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c.scope What dose this mean? I think it should be `/crio-`, but not `crio-conmon-`?

Another thing, which cgroup version are you use, v1 or v2? I can't see from the log.

> > > "cgroupsPath": "kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice:crio:5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c", > > > > > > The cgroup path should be like `/sys/fs/cgroup/systemd/kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice/crio-5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c.scope`. > > > [root@oss37 ~]# ls /sys/fs/cgroup/systemd/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice/crio-5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c.scope > > > ls: cannot...

> > systemd cgroup changed to 1:name=systemd:/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice/crio-conmon-5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c.scope > > What dose this mean? I think it should be `/crio-`, but not `crio-conmon-`? So, if you see the content of `/sys/fs/cgroup/systemd/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-poda5c1f8d5_1919_434d_add7_4afaafdaef89.slice/crio-conmon-5eed917563583925ffdbd40a64efb2aaffe58638e57add8becaf460fe74f5b1c.scope/cgroup.procs`,...