[  510.116998] bond0: (slave eth0): making interface the new active one
[  510.117111] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.330684] bond0: (slave eth0): Releasing backup interface
[  514.443974] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.611040] bond0: (slave eth0): Releasing backup interface
[  518.639971] bond0 (unregistering): Released all slaves