[  680.769350] bond0: (slave eth0): making interface the new active one
[  680.769413] bond0: (slave eth0): Enslaving as an active interface with an up link
[  680.774942] 8021q: adding VLAN 0 to HW filter on device bond0
[  684.918619] bond0: (slave eth0): Releasing backup interface
[  684.942855] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.948448] 8021q: adding VLAN 0 to HW filter on device bond0
[  689.082185] bond0: (slave eth0): Releasing backup interface