[  521.851173] bond0: (slave eth0): making interface the new active one
[  521.851252] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.027444] bond0: (slave eth0): Releasing backup interface
[  526.099178] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.257635] bond0: (slave eth0): Releasing backup interface
[  530.293611] bond0 (unregistering): Released all slaves