[  847.992459][T19408] bond0: (slave eth0): making interface the new active one
[  847.993513][T19408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  848.040684][T19409] 8021q: adding VLAN 0 to HW filter on device bond0
[  852.266659][T19412] bond0: (slave eth0): Releasing backup interface
[  852.407894][T19415] bond0: (slave eth0): Enslaving as an active interface with an up link
[  852.454424][T19416] 8021q: adding VLAN 0 to HW filter on device bond0
[  856.616718][   T72] bond0: (slave eth0): Releasing backup interface
[  856.678396][   T72] bond0 (unregistering): Released all slaves