[  514.024990] bond0: (slave eth0): making interface the new active one
[  514.025089] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.237446] bond0: (slave eth0): Releasing backup interface
[  518.355549] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.578961] bond0: (slave eth0): Releasing backup interface
[  522.598876] bond0 (unregistering): Released all slaves