[  845.748845][T19517] bond0: (slave eth0): making interface the new active one
[  845.749269][T19517] bond0: (slave eth0): Enslaving as an active interface with an up link
[  845.791025][T19518] 8021q: adding VLAN 0 to HW filter on device bond0
[  850.039582][T19521] bond0: (slave eth0): Releasing backup interface
[  850.177464][T19524] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.223889][T19525] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.451294][   T72] bond0: (slave eth0): Releasing backup interface
[  854.500811][   T72] bond0 (unregistering): Released all slaves