[  518.623463] bond0: (slave eth0): making interface the new active one
[  518.623546] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.836504] bond0: (slave eth0): Releasing backup interface
[  522.937404] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.126985] bond0: (slave eth0): Releasing backup interface
[  527.153927] bond0 (unregistering): Released all slaves