[  506.822164] bond0: (slave eth0): making interface the new active one
[  506.822241] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.986200] bond0: (slave eth0): Releasing backup interface
[  511.059787] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.205262] bond0: (slave eth0): Releasing backup interface
[  515.247327] bond0 (unregistering): Released all slaves