[  957.735210][T21440] bond0: (slave eth0): making interface the new active one
[  957.735663][T21440] bond0: (slave eth0): Enslaving as an active interface with an up link
[  957.826409][T21441] 8021q: adding VLAN 0 to HW filter on device bond0
[  962.060167][T21444] bond0: (slave eth0): Releasing backup interface
[  962.220090][T21447] bond0: (slave eth0): Enslaving as an active interface with an up link
[  962.272836][T21448] 8021q: adding VLAN 0 to HW filter on device bond0
[  966.457230][  T218] bond0: (slave eth0): Releasing backup interface
[  966.506793][  T218] bond0 (unregistering): Released all slaves