[  871.695546][T20413] bond0: (slave eth0): making interface the new active one
[  871.695994][T20413] bond0: (slave eth0): Enslaving as an active interface with an up link
[  871.735993][T20414] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.016139][T20417] bond0: (slave eth0): Releasing backup interface
[  876.154435][T20420] bond0: (slave eth0): Enslaving as an active interface with an up link
[  876.203027][T20421] 8021q: adding VLAN 0 to HW filter on device bond0
[  880.426017][   T12] bond0: (slave eth0): Releasing backup interface
[  880.482018][   T12] bond0 (unregistering): Released all slaves