[  510.146030] bond0: (slave eth0): making interface the new active one
[  510.146099] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.392961] bond0: (slave eth0): Releasing backup interface
[  514.497471] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.685492] bond0: (slave eth0): Releasing backup interface
[  518.712034] bond0 (unregistering): Released all slaves