It appears the following commits are required to fix this for
keepalived:
commit e90a633c34fbe6ebbb891aa98bf29ce579b8b45c
Author: Quentin Armitage
Date: Fri Dec 15 21:14:24 2017 +
Fix removing left-over addresses if keepalived aborts
Issue #718 reported that if keepalived term
As reported by Xav in https://bugs.launchpad.net/ubuntu/+bug/1731595:
"Comment for the folks that are noticing this as 'fix released' but
still affected - see
https://github.com/acassen/keepalived/commit/e90a633c34fbe6ebbb891aa98bf29ce579b8b45c
for the rest of this fix, we need keepalived to be at
