[  747.605874] bond0: (slave eth0): making interface the new active one
[  747.605953] bond0: (slave eth0): Enslaving as an active interface with an up link
[  747.623924] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.779853] bond0: (slave eth0): Releasing backup interface
[  751.846985] bond0: (slave eth0): Enslaving as an active interface with an up link
[  751.864634] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.002655] bond0: (slave eth0): Releasing backup interface
[  756.026599] bond0 (unregistering): Released all slaves