[  518.223585] bond0: (slave eth0): making interface the new active one
[  518.223676] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.386894] bond0: (slave eth0): Releasing backup interface
[  522.459653] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.617187] bond0: (slave eth0): Releasing backup interface
[  526.648132] bond0 (unregistering): Released all slaves