[  842.265308][T21013] bond0: (slave eth0): making interface the new active one
[  842.266390][T21013] bond0: (slave eth0): Enslaving as an active interface with an up link
[  842.312584][T21014] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.543492][T21017] bond0: (slave eth0): Releasing backup interface
[  846.732249][T21020] bond0: (slave eth0): Enslaving as an active interface with an up link
[  846.793639][T21021] 8021q: adding VLAN 0 to HW filter on device bond0
[  851.013893][   T12] bond0: (slave eth0): Releasing backup interface
[  851.061769][   T12] bond0 (unregistering): Released all slaves