[  868.767343][T21003] bond0: (slave eth0): making interface the new active one
[  868.767756][T21003] bond0: (slave eth0): Enslaving as an active interface with an up link
[  868.804376][T21004] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.023332][T21007] bond0: (slave eth0): Releasing backup interface
[  873.156071][T21010] bond0: (slave eth0): Enslaving as an active interface with an up link
[  873.199783][T21011] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.367112][   T12] bond0: (slave eth0): Releasing backup interface
[  877.419995][   T12] bond0 (unregistering): Released all slaves