[  876.978783][T20197] bond0: (slave eth0): making interface the new active one
[  876.979227][T20197] bond0: (slave eth0): Enslaving as an active interface with an up link
[  877.042776][T20198] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.259508][T20201] bond0: (slave eth0): Releasing backup interface
[  881.411885][T20204] bond0: (slave eth0): Enslaving as an active interface with an up link
[  881.452353][T20205] 8021q: adding VLAN 0 to HW filter on device bond0
[  885.684562][ T8870] bond0: (slave eth0): Releasing backup interface
[  885.749343][ T8870] bond0 (unregistering): Released all slaves