[  680.960165] bond0: (slave eth0): making interface the new active one
[  680.960298] bond0: (slave eth0): Enslaving as an active interface with an up link
[  680.965153] 8021q: adding VLAN 0 to HW filter on device bond0
[  685.055396] bond0: (slave eth0): Releasing backup interface
[  685.083626] bond0: (slave eth0): Enslaving as an active interface with an up link
[  685.088386] 8021q: adding VLAN 0 to HW filter on device bond0
[  689.223007] bond0: (slave eth0): Releasing backup interface
[  689.263897] bond0 (unregistering): Released all slaves