[  520.170377] bond0: (slave eth0): making interface the new active one
[  520.170470] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.374642] bond0: (slave eth0): Releasing backup interface
[  524.443114] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.598389] bond0: (slave eth0): Releasing backup interface
[  528.620174] bond0 (unregistering): Released all slaves