[  522.844966] bond0: (slave eth0): making interface the new active one
[  522.845055] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.055915] bond0: (slave eth0): Releasing backup interface
[  527.142608] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.287923] bond0: (slave eth0): Releasing backup interface
[  531.311754] bond0 (unregistering): Released all slaves