[  516.541887] bond0: (slave eth0): making interface the new active one
[  516.541985] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.793455] bond0: (slave eth0): Releasing backup interface
[  520.910076] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.144950] bond0: (slave eth0): Releasing backup interface
[  525.166859] bond0 (unregistering): Released all slaves