[  518.626481] bond0: (slave eth0): making interface the new active one
[  518.626585] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.834600] bond0: (slave eth0): Releasing backup interface
[  522.913414] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.059346] bond0: (slave eth0): Releasing backup interface
[  527.086291] bond0 (unregistering): Released all slaves