[  879.987983][T20287] bond0: (slave eth0): making interface the new active one
[  879.988828][T20287] bond0: (slave eth0): Enslaving as an active interface with an up link
[  880.036343][T20288] 8021q: adding VLAN 0 to HW filter on device bond0
[  884.291911][T20291] bond0: (slave eth0): Releasing backup interface
[  884.430638][T20294] bond0: (slave eth0): Enslaving as an active interface with an up link
[  884.478071][T20295] 8021q: adding VLAN 0 to HW filter on device bond0
[  888.697346][   T70] bond0: (slave eth0): Releasing backup interface
[  888.746042][   T70] bond0 (unregistering): Released all slaves