[  518.893371] bond0: (slave eth0): making interface the new active one
[  518.893467] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.098482] bond0: (slave eth0): Releasing backup interface
[  523.192755] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.381022] bond0: (slave eth0): Releasing backup interface
[  527.406943] bond0 (unregistering): Released all slaves