[  846.451190][T19515] bond0: (slave eth0): making interface the new active one
[  846.451636][T19515] bond0: (slave eth0): Enslaving as an active interface with an up link
[  846.502053][T19516] 8021q: adding VLAN 0 to HW filter on device bond0
[  850.768045][T19519] bond0: (slave eth0): Releasing backup interface
[  850.913254][T19522] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.954606][T19523] 8021q: adding VLAN 0 to HW filter on device bond0
[  855.181433][   T71] bond0: (slave eth0): Releasing backup interface
[  855.224971][   T71] bond0 (unregistering): Released all slaves