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When I deploy docker stack,the docker crash and my centos system reboot

When I deploy docker stack with yaml config file,the docker crash and my centos system reboot.
then I start the docker with command “systemctl start docker”,it does not work, and the centos system reboot again.My centos is 2GB memory。Now I cannot start the docker,I do not know how to solve。This is the system log below:

May 31 00:02:46 localhost dockerd: time=“2021-05-31T00:02:46.699370731+08:00” level=info msg=“memberlist: Marking aef6e4a3f92a as failed, suspect timeout reached (0 peer confirmations)”
May 31 00:02:46 localhost dockerd: time=“2021-05-31T00:02:46.699457392+08:00” level=info msg=“Node aef6e4a3f92a/172.31.44.160, left gossip cluster”
May 31 00:02:46 localhost dockerd: time=“2021-05-31T00:02:46.699479135+08:00” level=info msg=“Node aef6e4a3f92a change state NodeActive → NodeFailed”
May 31 00:02:46 localhost dockerd: time=“2021-05-31T00:02:46.699571051+08:00” level=info msg=“Node aef6e4a3f92a/172.31.44.160, added to failed nodes list”
May 31 00:02:47 localhost dockerd: time=“2021-05-31T00:02:47.079718176+08:00” level=info msg=“Node aef6e4a3f92a/172.31.44.160, joined gossip cluster”
May 31 00:02:47 localhost dockerd: time=“2021-05-31T00:02:47.079760521+08:00” level=info msg=“Node aef6e4a3f92a change state NodeFailed → NodeActive”
May 31 00:02:51 localhost dockerd: time=“2021-05-31T00:02:51.699081890+08:00” level=info msg=“memberlist: Suspect aef6e4a3f92a has failed, no acks received”
May 31 00:02:55 localhost dockerd: time=“2021-05-31T00:02:55.699264724+08:00” level=warning msg=“bulk sync to node aef6e4a3f92a failed: failed to send a TCP message during bulk sync: dial tcp 172.31.44.160:7946: i/o timeout”
May 31 00:02:55 localhost dockerd: time=“2021-05-31T00:02:55.699291914+08:00” level=error msg=“periodic bulk sync failure for network g1hzrnfjwher5qdpz4upw2oo7: bulksync to node aef6e4a3f92a failed: failed to send a TCP message during bulk sync: dial tcp 172.31.44.160:7946: i/o timeout”
May 31 00:03:00 localhost dockerd: time=“2021-05-31T00:03:00.699175249+08:00” level=info msg=“memberlist: Suspect aef6e4a3f92a has failed, no acks received”
May 31 00:03:01 localhost systemd: Started Session 1128247 of user root.

who can help me ????