[  516.154229] bond0: (slave eth0): making interface the new active one
[  516.154323] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.347998] bond0: (slave eth0): Releasing backup interface
[  520.439879] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.631949] bond0: (slave eth0): Releasing backup interface
[  524.661942] bond0 (unregistering): Released all slaves