[  720.230604] bond0: (slave eth0): making interface the new active one
[  720.230667] bond0: (slave eth0): Enslaving as an active interface with an up link
[  720.235559] 8021q: adding VLAN 0 to HW filter on device bond0
[  724.349525] bond0: (slave eth0): Releasing backup interface
[  724.369827] bond0: (slave eth0): Enslaving as an active interface with an up link
[  724.374887] 8021q: adding VLAN 0 to HW filter on device bond0
[  728.515938] bond0: (slave eth0): Releasing backup interface
[  728.551893] bond0 (unregistering): Released all slaves