[  873.583844][T20215] bond0: (slave eth0): making interface the new active one
[  873.584653][T20215] bond0: (slave eth0): Enslaving as an active interface with an up link
[  873.658691][T20216] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.952852][T20219] bond0: (slave eth0): Releasing backup interface
[  878.088498][T20222] bond0: (slave eth0): Enslaving as an active interface with an up link
[  878.135505][T20223] 8021q: adding VLAN 0 to HW filter on device bond0
[  882.359389][ T8954] bond0: (slave eth0): Releasing backup interface
[  882.426739][ T8954] bond0 (unregistering): Released all slaves