[  523.115477] bond0: (slave eth0): making interface the new active one
[  523.115601] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.311034] bond0: (slave eth0): Releasing backup interface
[  527.372412] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.541857] bond0: (slave eth0): Releasing backup interface
[  531.566754] bond0 (unregistering): Released all slaves