[  874.886932][T20379] bond0: (slave eth0): making interface the new active one
[  874.887365][T20379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  874.931466][T20380] 8021q: adding VLAN 0 to HW filter on device bond0
[  879.171535][T20383] bond0: (slave eth0): Releasing backup interface
[  879.305937][T20386] bond0: (slave eth0): Enslaving as an active interface with an up link
[  879.350514][T20387] 8021q: adding VLAN 0 to HW filter on device bond0
[  883.521613][ T4453] bond0: (slave eth0): Releasing backup interface
[  883.562938][ T4453] bond0 (unregistering): Released all slaves