[  514.265014] bond0: (slave eth0): making interface the new active one
[  514.265104] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.488107] bond0: (slave eth0): Releasing backup interface
[  518.561172] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.706221] bond0: (slave eth0): Releasing backup interface
[  522.729301] bond0 (unregistering): Released all slaves