[  520.632460] bond0: (slave eth0): making interface the new active one
[  520.632552] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.814213] bond0: (slave eth0): Releasing backup interface
[  524.875708] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.038591] bond0: (slave eth0): Releasing backup interface
[  529.057892] bond0 (unregistering): Released all slaves