[  949.122238][T21839] bond0: (slave eth0): making interface the new active one
[  949.122744][T21839] bond0: (slave eth0): Enslaving as an active interface with an up link
[  949.213771][T21840] 8021q: adding VLAN 0 to HW filter on device bond0
[  953.498162][T21843] bond0: (slave eth0): Releasing backup interface
[  953.679703][T21846] bond0: (slave eth0): Enslaving as an active interface with an up link
[  953.741050][T21847] 8021q: adding VLAN 0 to HW filter on device bond0
[  957.940230][   T72] bond0: (slave eth0): Releasing backup interface
[  957.989601][   T72] bond0 (unregistering): Released all slaves