[  514.669602] bond0: (slave eth0): making interface the new active one
[  514.669674] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.883632] bond0: (slave eth0): Releasing backup interface
[  518.998711] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.171805] bond0: (slave eth0): Releasing backup interface
[  523.207815] bond0 (unregistering): Released all slaves