[  838.930754][T21571] bond0: (slave eth0): making interface the new active one
[  838.931334][T21571] bond0: (slave eth0): Enslaving as an active interface with an up link
[  838.984398][T21572] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.207073][T21575] bond0: (slave eth0): Releasing backup interface
[  843.406050][T21578] bond0: (slave eth0): Enslaving as an active interface with an up link
[  843.474173][T21579] 8021q: adding VLAN 0 to HW filter on device bond0
[  847.682300][   T12] bond0: (slave eth0): Releasing backup interface
[  847.719174][   T12] bond0 (unregistering): Released all slaves