[  513.667597] bond0: (slave eth0): making interface the new active one
[  513.667686] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.913857] bond0: (slave eth0): Releasing backup interface
[  518.034271] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.272820] bond0: (slave eth0): Releasing backup interface
[  522.300701] bond0 (unregistering): Released all slaves