[  514.262297] bond0: (slave eth0): making interface the new active one
[  514.262370] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.422710] bond0: (slave eth0): Releasing backup interface
[  518.494774] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.647065] bond0: (slave eth0): Releasing backup interface
[  522.687105] bond0 (unregistering): Released all slaves