[  513.724391] bond0: (slave eth0): making interface the new active one
[  513.724456] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.908323] bond0: (slave eth0): Releasing backup interface
[  518.006686] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.201996] bond0: (slave eth0): Releasing backup interface
[  522.233874] bond0 (unregistering): Released all slaves