[  516.235674] bond0: (slave eth0): making interface the new active one
[  516.235768] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.469789] bond0: (slave eth0): Releasing backup interface
[  520.576388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.764786] bond0: (slave eth0): Releasing backup interface
[  524.793903] bond0 (unregistering): Released all slaves