[  743.368295] bond0: (slave eth0): making interface the new active one
[  743.368369] bond0: (slave eth0): Enslaving as an active interface with an up link
[  743.373800] 8021q: adding VLAN 0 to HW filter on device bond0
[  747.508726] bond0: (slave eth0): Releasing backup interface
[  747.533953] bond0: (slave eth0): Enslaving as an active interface with an up link
[  747.539225] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.674072] bond0: (slave eth0): Releasing backup interface