[  720.512939] bond0: (slave eth0): making interface the new active one
[  720.513026] bond0: (slave eth0): Enslaving as an active interface with an up link
[  720.532303] 8021q: adding VLAN 0 to HW filter on device bond0
[  724.722789] bond0: (slave eth0): Releasing backup interface
[  724.798341] bond0: (slave eth0): Enslaving as an active interface with an up link
[  724.819409] 8021q: adding VLAN 0 to HW filter on device bond0
[  728.945425] bond0: (slave eth0): Releasing backup interface
[  728.968221] bond0 (unregistering): Released all slaves