[  838.552917][T20122] bond0: (slave eth0): making interface the new active one
[  838.553327][T20122] bond0: (slave eth0): Enslaving as an active interface with an up link
[  838.598095][T20123] 8021q: adding VLAN 0 to HW filter on device bond0
[  842.787875][T20126] bond0: (slave eth0): Releasing backup interface
[  842.923779][T20129] bond0: (slave eth0): Enslaving as an active interface with an up link
[  842.961423][T20130] 8021q: adding VLAN 0 to HW filter on device bond0
[  847.144927][  T225] bond0: (slave eth0): Releasing backup interface
[  847.188431][  T225] bond0 (unregistering): Released all slaves