Revert "Remove `update-radius-attrs` event."
Revert "Remove `update-radius-attrs` event."

This reverts commit b1e9936aa6552bde75e9c7ffb0bcdfeedc98be56.

uxbox/uxbox,studiospring/uxbox,uxbox/uxbox,studiospring/uxbox,uxbox/uxbox,studiospring/uxbox