[  871.195949][T18331] bond0: (slave eth0): making interface the new active one
[  871.196839][T18331] bond0: (slave eth0): Enslaving as an active interface with an up link
[  871.244432][T18332] 8021q: adding VLAN 0 to HW filter on device bond0
[  875.507322][T18335] bond0: (slave eth0): Releasing backup interface
[  875.731189][T18338] bond0: (slave eth0): Enslaving as an active interface with an up link
[  875.831123][T18339] 8021q: adding VLAN 0 to HW filter on device bond0
[  880.041162][   T72] bond0: (slave eth0): Releasing backup interface
[  880.118430][   T72] bond0 (unregistering): Released all slaves