[  850.454770][T19813] bond0: (slave eth0): making interface the new active one
[  850.455231][T19813] bond0: (slave eth0): Enslaving as an active interface with an up link
[  850.505020][T19814] 8021q: adding VLAN 0 to HW filter on device bond0
[  854.738886][T19817] bond0: (slave eth0): Releasing backup interface
[  854.878570][T19820] bond0: (slave eth0): Enslaving as an active interface with an up link
[  854.922724][T19821] 8021q: adding VLAN 0 to HW filter on device bond0
[  859.089543][ T8956] bond0: (slave eth0): Releasing backup interface
[  859.140090][ T8956] bond0 (unregistering): Released all slaves