[  520.002765] bond0: (slave eth0): making interface the new active one
[  520.002851] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.176974] bond0: (slave eth0): Releasing backup interface
[  524.255990] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.400924] bond0: (slave eth0): Releasing backup interface
[  528.430929] bond0 (unregistering): Released all slaves