[  513.769330] bond0: (slave eth0): making interface the new active one
[  513.769395] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.980745] bond0: (slave eth0): Releasing backup interface
[  518.095341] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.258966] bond0: (slave eth0): Releasing backup interface
[  522.289844] bond0 (unregistering): Released all slaves