[  720.223619] bond0: (slave eth0): making interface the new active one
[  720.223711] bond0: (slave eth0): Enslaving as an active interface with an up link
[  720.247860] 8021q: adding VLAN 0 to HW filter on device bond0
[  724.401573] bond0: (slave eth0): Releasing backup interface
[  724.479519] bond0: (slave eth0): Enslaving as an active interface with an up link
[  724.499724] 8021q: adding VLAN 0 to HW filter on device bond0
[  728.633611] bond0: (slave eth0): Releasing backup interface
[  728.652043] bond0 (unregistering): Released all slaves