[  514.512788] bond0: (slave eth0): making interface the new active one
[  514.512879] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.663783] bond0: (slave eth0): Releasing backup interface
[  518.729812] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.892072] bond0: (slave eth0): Releasing backup interface
[  522.928086] bond0 (unregistering): Released all slaves