[  835.063120][T21958] bond0: (slave eth0): making interface the new active one
[  835.069288][T21958] bond0: (slave eth0): Enslaving as an active interface with an up link
[  835.114166][T21959] 8021q: adding VLAN 0 to HW filter on device bond0
[  839.378867][T21962] bond0: (slave eth0): Releasing backup interface
[  839.544215][T21965] bond0: (slave eth0): Enslaving as an active interface with an up link
[  839.598589][T21966] 8021q: adding VLAN 0 to HW filter on device bond0
[  843.797198][   T12] bond0: (slave eth0): Releasing backup interface
[  843.839488][   T12] bond0 (unregistering): Released all slaves