[  513.303625] bond0: (slave eth0): making interface the new active one
[  513.303713] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.535715] bond0: (slave eth0): Releasing backup interface
[  517.660889] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.884183] bond0: (slave eth0): Releasing backup interface
[  521.918179] bond0 (unregistering): Released all slaves