[  856.925749] bond0: (slave eth0): making interface the new active one
[  856.925843] bond0: (slave eth0): Enslaving as an active interface with an up link
[  856.931493] 8021q: adding VLAN 0 to HW filter on device bond0
[  861.058548] bond0: (slave eth0): Releasing backup interface
[  861.083139] bond0: (slave eth0): Enslaving as an active interface with an up link
[  861.088621] 8021q: adding VLAN 0 to HW filter on device bond0
[  865.216167] bond0: (slave eth0): Releasing backup interface
[  865.236169] bond0 (unregistering): Released all slaves