[  513.759124] bond0: (slave eth0): making interface the new active one
[  513.759196] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.991237] bond0: (slave eth0): Releasing backup interface
[  518.102499] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.275637] bond0: (slave eth0): Releasing backup interface
[  522.311564] bond0 (unregistering): Released all slaves