[  684.718617] bond0: (slave eth0): making interface the new active one
[  684.718709] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.723594] 8021q: adding VLAN 0 to HW filter on device bond0
[  688.828803] bond0: (slave eth0): Releasing backup interface
[  688.851862] bond0: (slave eth0): Enslaving as an active interface with an up link
[  688.856898] 8021q: adding VLAN 0 to HW filter on device bond0
[  692.993274] bond0: (slave eth0): Releasing backup interface
[  693.020366] bond0 (unregistering): Released all slaves