[  516.809388] bond0: (slave eth0): making interface the new active one
[  516.809464] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.980686] bond0: (slave eth0): Releasing backup interface
[  521.057315] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.206611] bond0: (slave eth0): Releasing backup interface
[  525.228496] bond0 (unregistering): Released all slaves