[  510.563394] bond0: (slave eth0): making interface the new active one
[  510.563460] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.778992] bond0: (slave eth0): Releasing backup interface
[  514.888578] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.060066] bond0: (slave eth0): Releasing backup interface
[  519.085032] bond0 (unregistering): Released all slaves