[  514.514365] bond0: (slave eth0): making interface the new active one
[  514.514449] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.673728] bond0: (slave eth0): Releasing backup interface
[  518.742678] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.896282] bond0: (slave eth0): Releasing backup interface
[  522.922204] bond0 (unregistering): Released all slaves