[  872.981094] bond0: (slave eth0): making interface the new active one
[  872.981176] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.986767] 8021q: adding VLAN 0 to HW filter on device bond0
[  877.133023] bond0: (slave eth0): Releasing backup interface
[  877.160034] bond0: (slave eth0): Enslaving as an active interface with an up link
[  877.165449] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.299890] bond0: (slave eth0): Releasing backup interface
[  881.338790] bond0 (unregistering): Released all slaves