[  721.985626] bond0: (slave eth0): making interface the new active one
[  721.985741] bond0: (slave eth0): Enslaving as an active interface with an up link
[  722.005263] 8021q: adding VLAN 0 to HW filter on device bond0
[  726.155810] bond0: (slave eth0): Releasing backup interface
[  726.223168] bond0: (slave eth0): Enslaving as an active interface with an up link
[  726.243434] 8021q: adding VLAN 0 to HW filter on device bond0
[  730.377560] bond0: (slave eth0): Releasing backup interface
[  730.403587] bond0 (unregistering): Released all slaves