[  841.818984][T21710] bond0: (slave eth0): making interface the new active one
[  841.819468][T21710] bond0: (slave eth0): Enslaving as an active interface with an up link
[  841.861813][T21711] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.082222][T21714] bond0: (slave eth0): Releasing backup interface
[  846.237322][T21717] bond0: (slave eth0): Enslaving as an active interface with an up link
[  846.279207][T21718] 8021q: adding VLAN 0 to HW filter on device bond0
[  850.436918][   T71] bond0: (slave eth0): Releasing backup interface
[  850.497462][   T71] bond0 (unregistering): Released all slaves