[  684.418122] bond0: (slave eth0): making interface the new active one
[  684.418189] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.423099] 8021q: adding VLAN 0 to HW filter on device bond0
[  688.516500] bond0: (slave eth0): Releasing backup interface
[  688.536100] bond0: (slave eth0): Enslaving as an active interface with an up link
[  688.540980] 8021q: adding VLAN 0 to HW filter on device bond0
[  692.680589] bond0: (slave eth0): Releasing backup interface
[  692.713532] bond0 (unregistering): Released all slaves