Comment 7 for bug 1918735

root@lp1918735-f:~# dpkg -l | grep corosync
ii corosync 3.0.3-2ubuntu2 amd64 cluster engine daemon and utilities
ii libcorosync-common4:amd64 3.0.3-2ubuntu2 amd64 cluster engine common library
root@lp1918735-f:~# systemctl status corosync
● corosync.service - Corosync Cluster Engine
     Loaded: loaded (/lib/systemd/system/corosync.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Wed 2021-03-24 13:14:36 UTC; 12s ago
       Docs: man:corosync
             man:corosync.conf
             man:corosync_overview
   Main PID: 15358 (code=exited, status=15)

Mar 24 13:14:36 lp1918735-f corosync[15358]: [TOTEM ] Initializing transport (Kronosnet).
Mar 24 13:14:36 lp1918735-f corosync[15358]: [TOTEM ] knet_handle_new failed: File name too long (36)
Mar 24 13:14:36 lp1918735-f corosync[15358]: [KNET ] transport: Failed to set socket buffer via force option 33: Operation not permitted
Mar 24 13:14:36 lp1918735-f corosync[15358]: [KNET ] transport: Unable to set local socketpair receive buffer: File name too long
Mar 24 13:14:36 lp1918735-f corosync[15358]: [KNET ] handle: Unable to initialize internal hostsockpair: File name too long
Mar 24 13:14:36 lp1918735-f corosync[15358]: [MAIN ] Can't initialize TOTEM layer
Mar 24 13:14:36 lp1918735-f corosync[15358]: [MAIN ] Corosync Cluster Engine exiting with status 15 at main.c:1531.
Mar 24 13:14:36 lp1918735-f systemd[1]: corosync.service: Main process exited, code=exited, status=15/n/a
Mar 24 13:14:36 lp1918735-f systemd[1]: corosync.service: Failed with result 'exit-code'.
Mar 24 13:14:36 lp1918735-f systemd[1]: Failed to start Corosync Cluster Engine.

root@lp1918735-f:~# dpkg -l | grep corosync
ii corosync 3.0.3-2ubuntu2.1 amd64 cluster engine daemon and utilities
ii libcorosync-common4:amd64 3.0.3-2ubuntu2.1 amd64 cluster engine common library
root@lp1918735-f:~# systemctl status corosync
● corosync.service - Corosync Cluster Engine
     Loaded: loaded (/lib/systemd/system/corosync.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2021-03-24 13:15:50 UTC; 6s ago
       Docs: man:corosync
             man:corosync.conf
             man:corosync_overview
   Main PID: 16869 (corosync)
      Tasks: 9 (limit: 76563)
     Memory: 84.0M
     CGroup: /system.slice/corosync.service
             └─16869 /usr/sbin/corosync -f

Mar 24 13:15:50 lp1918735-f corosync[16869]: [QUORUM] Members[0]:
Mar 24 13:15:50 lp1918735-f corosync[16869]: [SERV ] Service engine loaded: corosync vote quorum service v1.0 [5]
Mar 24 13:15:50 lp1918735-f corosync[16869]: [QB ] server name: votequorum
Mar 24 13:15:50 lp1918735-f corosync[16869]: [SERV ] Service engine loaded: corosync cluster quorum service v0.1 [3]
Mar 24 13:15:50 lp1918735-f corosync[16869]: [QB ] server name: quorum
Mar 24 13:15:50 lp1918735-f corosync[16869]: [TOTEM ] A new membership (1.5) was formed. Members joined: 1
Mar 24 13:15:50 lp1918735-f corosync[16869]: [CPG ] downlist left_list: 0 received
Mar 24 13:15:50 lp1918735-f corosync[16869]: [QUORUM] Members[1]: 1
Mar 24 13:15:50 lp1918735-f corosync[16869]: [MAIN ] Completed service synchronization, ready to provide service.
Mar 24 13:15:50 lp1918735-f systemd[1]: Started Corosync Cluster Engine.