Runc list does not show anything

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1

I previously used docker version 17.05.
In this version, I could run container with docker run and pause it with docker-runc pause.

After upgrading to 18.09, docker-runc is changed to just runc and runc list shows nothing though there are sill running containers.

Is there any changes in the relation between containerd(or Docker) and runc?

2

Self reply to my question.
It seems directory to store container information for runc is changed.
Previously, it was /run/runc, but now it is /run/docker/runtime-runc/moby
After make a symlink to /run/runc, it works as expected.