[  514.129485] bond0: (slave eth0): making interface the new active one
[  514.129554] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.288847] bond0: (slave eth0): Releasing backup interface
[  518.366780] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.515568] bond0: (slave eth0): Releasing backup interface
[  522.539413] bond0 (unregistering): Released all slaves