[  872.982134][T20666] bond0: (slave eth0): making interface the new active one
[  872.982584][T20666] bond0: (slave eth0): Enslaving as an active interface with an up link
[  873.023776][T20667] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.264614][T20670] bond0: (slave eth0): Releasing backup interface
[  877.410156][T20673] bond0: (slave eth0): Enslaving as an active interface with an up link
[  877.447253][T20674] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.613180][T12520] bond0: (slave eth0): Releasing backup interface
[  881.652625][T12520] bond0 (unregistering): Released all slaves