[  889.391643][T20451] bond0: (slave eth0): making interface the new active one
[  889.392191][T20451] bond0: (slave eth0): Enslaving as an active interface with an up link
[  889.431727][T20452] 8021q: adding VLAN 0 to HW filter on device bond0
[  893.643607][T20455] bond0: (slave eth0): Releasing backup interface
[  893.795257][T20458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  893.834349][T20459] 8021q: adding VLAN 0 to HW filter on device bond0
[  898.064990][ T9509] bond0: (slave eth0): Releasing backup interface
[  898.115495][ T9509] bond0 (unregistering): Released all slaves