[  971.789899][T23820] bond0: (slave eth0): making interface the new active one
[  971.790386][T23820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  971.838271][T23821] 8021q: adding VLAN 0 to HW filter on device bond0
[  976.105619][T23824] bond0: (slave eth0): Releasing backup interface
[  976.265740][T23827] bond0: (slave eth0): Enslaving as an active interface with an up link
[  976.321319][T23828] 8021q: adding VLAN 0 to HW filter on device bond0
[  980.442041][T21647] bond0: (slave eth0): Releasing backup interface
[  980.494231][T21647] bond0 (unregistering): Released all slaves