[  840.819276][T21244] bond0: (slave eth0): making interface the new active one
[  840.819761][T21244] bond0: (slave eth0): Enslaving as an active interface with an up link
[  840.866014][T21245] 8021q: adding VLAN 0 to HW filter on device bond0
[  845.072443][T21248] bond0: (slave eth0): Releasing backup interface
[  845.218374][T21251] bond0: (slave eth0): Enslaving as an active interface with an up link
[  845.260920][T21252] 8021q: adding VLAN 0 to HW filter on device bond0
[  849.412162][T19966] bond0: (slave eth0): Releasing backup interface
[  849.457120][T19966] bond0 (unregistering): Released all slaves