[  840.595869][T20111] bond0: (slave eth0): making interface the new active one
[  840.596270][T20111] bond0: (slave eth0): Enslaving as an active interface with an up link
[  840.646073][T20112] 8021q: adding VLAN 0 to HW filter on device bond0
[  844.861288][T20115] bond0: (slave eth0): Releasing backup interface
[  844.991822][T20118] bond0: (slave eth0): Enslaving as an active interface with an up link
[  845.027562][T20119] 8021q: adding VLAN 0 to HW filter on device bond0
[  849.212800][   T71] bond0: (slave eth0): Releasing backup interface
[  849.277149][   T71] bond0 (unregistering): Released all slaves