[  834.694079][T21437] bond0: (slave eth0): making interface the new active one
[  834.694622][T21437] bond0: (slave eth0): Enslaving as an active interface with an up link
[  834.739534][T21438] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.991709][T21441] bond0: (slave eth0): Releasing backup interface
[  839.123704][T21444] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.160994][T21445] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.337749][   T69] bond0: (slave eth0): Releasing backup interface
[  843.373953][   T69] bond0 (unregistering): Released all slaves