[  837.630549][T21934] bond0: (slave eth0): making interface the new active one
[  837.630977][T21934] bond0: (slave eth0): Enslaving as an active interface with an up link
[  837.685112][T21935] 8021q: adding VLAN 0 to HW filter on device bond0
[  841.925136][T21938] bond0: (slave eth0): Releasing backup interface
[  842.089729][T21941] bond0: (slave eth0): Enslaving as an active interface with an up link
[  842.134055][T21942] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.335296][   T12] bond0: (slave eth0): Releasing backup interface
[  846.393380][   T12] bond0 (unregistering): Released all slaves