May 3 06:25:01 meinfoo maas.pod: [warn] meinfoo: interface with MAC address 52:54:00:84:41:f7 was discovered on machine juju-2 and was moved from juju-1.
May 3 06:25:11 meinfoo maas.pod: [warn] meinfoo: interface with MAC address 52:54:00:3e:5e:bb was discovered on machine thruk-2 and was moved from grafana-1.
Yep duplicate MAC's are causing the issue.
May 3 06:25:01 meinfoo maas.pod: [warn] meinfoo: interface with MAC address 52:54:00:84:41:f7 was discovered on machine juju-2 and was moved from juju-1.
May 3 06:25:11 meinfoo maas.pod: [warn] meinfoo: interface with MAC address 52:54:00:3e:5e:bb was discovered on machine thruk-2 and was moved from grafana-1.