Reboot failing in RHEL/centos: Failed to talk to init daemon.

Use reboot -f

[root@lintest ~]# reboot
Failed to start reboot.target: Activation of org.freedesktop.systemd1 timed out
Failed to open /dev/initctl: No such device or address
Failed to talk to init daemon.
[root@lintest ~]#
[root@lintest ~]#
[root@lintest ~]#
[root@lintest ~]#
[root@lintest ~]# reboot -f
packet_write_wait: Connection to 10.0.100.31 port 22: Broken pipe