[  520.742355] bond0: (slave eth0): making interface the new active one
[  520.742452] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.958867] bond0: (slave eth0): Releasing backup interface
[  525.080596] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.304059] bond0: (slave eth0): Releasing backup interface
[  529.332026] bond0 (unregistering): Released all slaves