[  514.442640] bond0: (slave eth0): making interface the new active one
[  514.442746] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.679816] bond0: (slave eth0): Releasing backup interface
[  518.796167] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.972874] bond0: (slave eth0): Releasing backup interface
[  523.003717] bond0 (unregistering): Released all slaves