ctdb not starting due to "Failed to start samba" when customer is not using samba

Issue

ctdb not starting due to "Failed to start samba" when customer is not using samba

This is encountered after upgrading

From log.ctdb:

2019/10/10 14:50:10.051171 ctdbd[22985]: Running the "startup" event.
2019/10/10 14:50:10.187446 ctdb-eventd[22987]: 50.samba: Redirecting to /bin/systemctl start smb.service
2019/10/10 14:50:10.187491 ctdb-eventd[22987]: 50.samba: Failed to start smb.service: Access denied
2019/10/10 14:50:10.187501 ctdb-eventd[22987]: 50.samba: See system logs and 'systemctl status smb.service' for details.
2019/10/10 14:50:10.187509 ctdb-eventd[22987]: 50.samba: Failed to start samba