[  516.755292] bond0: (slave eth0): making interface the new active one
[  516.755380] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.985125] bond0: (slave eth0): Releasing backup interface
[  521.097639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.279126] bond0: (slave eth0): Releasing backup interface
[  525.307956] bond0 (unregistering): Released all slaves