[  681.904891] bond0: (slave eth0): making interface the new active one
[  681.904990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  681.910047] 8021q: adding VLAN 0 to HW filter on device bond0
[  686.006090] bond0: (slave eth0): Releasing backup interface
[  686.028977] bond0: (slave eth0): Enslaving as an active interface with an up link
[  686.034419] 8021q: adding VLAN 0 to HW filter on device bond0
[  690.171290] bond0: (slave eth0): Releasing backup interface