[  872.436866][T20305] bond0: (slave eth0): making interface the new active one
[  872.437385][T20305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.484827][T20306] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.738196][T20309] bond0: (slave eth0): Releasing backup interface
[  876.882294][T20312] bond0: (slave eth0): Enslaving as an active interface with an up link
[  876.926309][T20313] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.169228][   T73] bond0: (slave eth0): Releasing backup interface
[  881.231844][   T73] bond0 (unregistering): Released all slaves