[  516.560690] bond0: (slave eth0): making interface the new active one
[  516.560793] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.793826] bond0: (slave eth0): Releasing backup interface
[  520.913819] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.078180] bond0: (slave eth0): Releasing backup interface
[  525.109115] bond0 (unregistering): Released all slaves