containerd: too many oom events

Description run containerd in kernel Linux 4.18.0-2.2.1 when the container oom , subscribe the events is too many oom event

level=debug msg="event published" ns=moby topic=/tasks/oom type=containerd.events.TaskOOM
level=debug msg="event published" ns=moby topic=/tasks/oom type=containerd.events.TaskOOM
level=debug msg="event published" ns=moby topic=/tasks/oom type=containerd.events.TaskOOM
level=debug msg="event published" ns=moby topic=/tasks/oom type=containerd.events.TaskOOM
.....

# containerd --version
containerd containerd.io 1.2.13 7ad184331fa3e55e52b890ea95e65ba581ae3429
or
containerd github.com/containerd/containerd v1.4.0 09814d48d50816305a8e6c1a4ae3e2bcc4ba725a

Steps to reproduce the issue: I don’t no how to reproduce ,but i restart the containerd is not work.

Describe the results you received:

Describe the results you expected:

Output of containerd --version:

containerd github.com/containerd/containerd v1.4.0 09814d48d50816305a8e6c1a4ae3e2bcc4ba725a

Any other relevant information: