[  518.822633] bond0: (slave eth0): making interface the new active one
[  518.822706] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.025615] bond0: (slave eth0): Releasing backup interface
[  523.101417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.254378] bond0: (slave eth0): Releasing backup interface
[  527.278343] bond0 (unregistering): Released all slaves