[  519.920547] bond0: (slave eth0): making interface the new active one
[  519.920642] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.111163] bond0: (slave eth0): Releasing backup interface
[  524.189981] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.342198] bond0: (slave eth0): Releasing backup interface
[  528.374192] bond0 (unregistering): Released all slaves