[  747.813358] bond0: (slave eth0): making interface the new active one
[  747.813424] bond0: (slave eth0): Enslaving as an active interface with an up link
[  747.818220] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.940685] bond0: (slave eth0): Releasing backup interface
[  751.968337] bond0: (slave eth0): Enslaving as an active interface with an up link
[  751.972999] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.107314] bond0: (slave eth0): Releasing backup interface
[  756.138241] bond0 (unregistering): Released all slaves