[  812.857272][T21335] bond0: (slave eth0): making interface the new active one
[  812.857843][T21335] bond0: (slave eth0): Enslaving as an active interface with an up link
[  812.902133][T21336] 8021q: adding VLAN 0 to HW filter on device bond0
[  817.151068][T21339] bond0: (slave eth0): Releasing backup interface
[  817.287174][T21342] bond0: (slave eth0): Enslaving as an active interface with an up link
[  817.338423][T21343] 8021q: adding VLAN 0 to HW filter on device bond0
[  821.504779][ T1924] bond0: (slave eth0): Releasing backup interface
[  821.548822][ T1924] bond0 (unregistering): Released all slaves