[  684.423667] bond0: (slave eth0): making interface the new active one
[  684.423804] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.440534] 8021q: adding VLAN 0 to HW filter on device bond0
[  688.589055] bond0: (slave eth0): Releasing backup interface
[  688.659020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  688.677462] 8021q: adding VLAN 0 to HW filter on device bond0
[  692.816173] bond0: (slave eth0): Releasing backup interface
[  692.837564] bond0 (unregistering): Released all slaves