[nobuto,r=billy-olsen] Let corosync decide the best bindnetaddr from nodelist in the case of corosync_transport=udpu.
[nobuto,r=billy-olsen] Let corosync decide the best bindnetaddr from
nodelist in the case of corosync_transport=udpu.

Partially-Closes-Bug: 1483317

CanonicalBootStack/charm-hacluster,CanonicalBootStack/charm-hacluster,CanonicalBootStack/charm-hacluster