[  740.996580] bond0: (slave eth0): making interface the new active one
[  740.996643] bond0: (slave eth0): Enslaving as an active interface with an up link
[  741.001573] 8021q: adding VLAN 0 to HW filter on device bond0
[  745.150294] bond0: (slave eth0): Releasing backup interface
[  745.173875] bond0: (slave eth0): Enslaving as an active interface with an up link
[  745.179520] 8021q: adding VLAN 0 to HW filter on device bond0
[  749.316274] bond0: (slave eth0): Releasing backup interface
[  749.339205] bond0 (unregistering): Released all slaves