[  506.014447] bond0: (slave eth0): making interface the new active one
[  506.014570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.159824] bond0: (slave eth0): Releasing backup interface
[  510.229525] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.390506] bond0: (slave eth0): Releasing backup interface
[  514.414486] bond0 (unregistering): Released all slaves