centos 7.9   keepalive 2.2.7 

[root@gbase8c_2 sysconfig]# journalctl -xe
Apr 03 16:10:36 gbase8c_2 systemd[23940]: /usr/lib/systemd/system-generators/systemd-fstab-generator failed with error cod
Apr 03 16:10:36 gbase8c_2 systemd-fstab-generator[23944]: Failed to create swap unit file /run/systemd/generator/etc-swapf
Apr 03 16:10:36 gbase8c_2 polkitd[736]: Unregistered Authentication Agent for unix-process:23935:1567042 (system bus name
Apr 03 16:10:49 gbase8c_2 polkitd[736]: Registered Authentication Agent for unix-process:23971:1568344 (system bus name :1
Apr 03 16:10:49 gbase8c_2 Keepalived[23977]: Starting Keepalived v2.2.7 (01/16,2022)
Apr 03 16:10:49 gbase8c_2 systemd[1]: Starting LVS and VRRP High Availability Monitor...
-- Subject: Unit keepalived.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit keepalived.service has begun starting up.
Apr 03 16:10:49 gbase8c_2 Keepalived[23977]: Running on Linux 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 (
Apr 03 16:10:49 gbase8c_2 Keepalived[23977]: Command line: '/usr/local/keepalived/sbin/keepalived' '-D'
Apr 03 16:10:49 gbase8c_2 Keepalived[23977]: CPU usage (self/children) user: 0.001738/0.000000 system: 0.000869/0.000000
Apr 03 16:10:49 gbase8c_2 Keepalived[23977]: Stopped Keepalived v2.2.7 (01/16,2022)
Apr 03 16:10:49 gbase8c_2 systemd[1]: keepalived.service: control process exited, code=exited status=6
Apr 03 16:10:49 gbase8c_2 systemd[1]: Failed to start LVS and VRRP High Availability Monitor.
-- Subject: Unit keepalived.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit keepalived.service has failed.
--
-- The result is failed.
Apr 03 16:10:49 gbase8c_2 systemd[1]: Unit keepalived.service entered failed state.
Apr 03 16:10:49 gbase8c_2 systemd[1]: keepalived.service failed.
Apr 03 16:10:49 gbase8c_2 polkitd[736]: Unregistered Authentication Agent for unix-process:23971:1568344 (system bus name