[  843.830766][T19563] bond0: (slave eth0): making interface the new active one
[  843.831207][T19563] bond0: (slave eth0): Enslaving as an active interface with an up link
[  843.880469][T19564] 8021q: adding VLAN 0 to HW filter on device bond0
[  848.108543][T19567] bond0: (slave eth0): Releasing backup interface
[  848.249257][T19570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  848.284687][T19571] 8021q: adding VLAN 0 to HW filter on device bond0
[  852.472679][ T8855] bond0: (slave eth0): Releasing backup interface
[  852.539448][ T8855] bond0 (unregistering): Released all slaves