[  849.167997][T19951] bond0: (slave eth0): making interface the new active one
[  849.168481][T19951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  849.210694][T19952] 8021q: adding VLAN 0 to HW filter on device bond0
[  853.442590][T19955] bond0: (slave eth0): Releasing backup interface
[  853.578063][T19958] bond0: (slave eth0): Enslaving as an active interface with an up link
[  853.623691][T19959] 8021q: adding VLAN 0 to HW filter on device bond0
[  857.795105][   T12] bond0: (slave eth0): Releasing backup interface
[  857.857055][   T12] bond0 (unregistering): Released all slaves