[  518.544629] bond0: (slave eth0): making interface the new active one
[  518.544699] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.779986] bond0: (slave eth0): Releasing backup interface
[  522.883907] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.070995] bond0: (slave eth0): Releasing backup interface
[  527.110937] bond0 (unregistering): Released all slaves