[  872.547633][T21739] bond0: (slave eth0): making interface the new active one
[  872.548155][T21739] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.593290][T21740] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.877575][T21743] bond0: (slave eth0): Releasing backup interface
[  877.019828][T21746] bond0: (slave eth0): Enslaving as an active interface with an up link
[  877.058761][T21747] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.211312][   T73] bond0: (slave eth0): Releasing backup interface
[  881.256563][   T73] bond0 (unregistering): Released all slaves