[  833.167884][T21815] bond0: (slave eth0): making interface the new active one
[  833.168434][T21815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  833.214035][T21816] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.462916][T21819] bond0: (slave eth0): Releasing backup interface
[  837.611974][T21822] bond0: (slave eth0): Enslaving as an active interface with an up link
[  837.662905][T21823] 8021q: adding VLAN 0 to HW filter on device bond0
[  841.868940][   T72] bond0: (slave eth0): Releasing backup interface
[  841.911965][   T72] bond0 (unregistering): Released all slaves