[  847.907418][T19303] bond0: (slave eth0): making interface the new active one
[  847.907891][T19303] bond0: (slave eth0): Enslaving as an active interface with an up link
[  847.951613][T19304] 8021q: adding VLAN 0 to HW filter on device bond0
[  852.221881][T19307] bond0: (slave eth0): Releasing backup interface
[  852.362248][T19310] bond0: (slave eth0): Enslaving as an active interface with an up link
[  852.413325][T19311] 8021q: adding VLAN 0 to HW filter on device bond0
[  856.633571][   T12] bond0: (slave eth0): Releasing backup interface
[  856.690604][   T12] bond0 (unregistering): Released all slaves