[  517.912835] bond0: (slave eth0): making interface the new active one
[  517.912917] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.136185] bond0: (slave eth0): Releasing backup interface
[  522.243101] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.420934] bond0: (slave eth0): Releasing backup interface
[  526.448906] bond0 (unregistering): Released all slaves