[  872.486126][T20556] bond0: (slave eth0): making interface the new active one
[  872.486563][T20556] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.528929][T20557] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.796484][T20560] bond0: (slave eth0): Releasing backup interface
[  876.932521][T20563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  876.977369][T20564] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.161027][  T258] bond0: (slave eth0): Releasing backup interface
[  881.220679][  T258] bond0 (unregistering): Released all slaves