[  514.100662] bond0: (slave eth0): making interface the new active one
[  514.100785] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.499990] bond0: (slave eth0): Releasing backup interface
[  518.617427] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.840038] bond0: (slave eth0): Releasing backup interface
[  522.878083] bond0 (unregistering): Released all slaves