[  681.913759] bond0: (slave eth0): making interface the new active one
[  681.913870] bond0: (slave eth0): Enslaving as an active interface with an up link
[  681.929182] 8021q: adding VLAN 0 to HW filter on device bond0
[  686.087882] bond0: (slave eth0): Releasing backup interface
[  686.141330] bond0: (slave eth0): Enslaving as an active interface with an up link
[  686.157309] 8021q: adding VLAN 0 to HW filter on device bond0
[  690.317257] bond0: (slave eth0): Releasing backup interface
[  690.357234] bond0 (unregistering): Released all slaves