[  514.365790] bond0: (slave eth0): making interface the new active one
[  514.365895] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.618522] bond0: (slave eth0): Releasing backup interface
[  518.733441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.902077] bond0: (slave eth0): Releasing backup interface
[  522.932950] bond0 (unregistering): Released all slaves