[  516.820685] bond0: (slave eth0): making interface the new active one
[  516.820767] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.982809] bond0: (slave eth0): Releasing backup interface
[  521.066285] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.206161] bond0: (slave eth0): Releasing backup interface
[  525.236162] bond0 (unregistering): Released all slaves