DFS error ( 3 * tries & disconnect ) for FR country

I join my 'Official Orange French BOX using DFS channels

part of log is this;

 1623.058677] wlan1: authentication with f8:08:4f:eb:95:4f timed out
[ 1646.771004] wlan1: authenticate with f8:08:4f:eb:95:4f
[ 1646.789477] wlan1: send auth to f8:08:4f:eb:95:4f (try 1/3)
[ 1648.018650] wlan1: send auth to f8:08:4f:eb:95:4f (try 2/3)
[ 1648.978689] wlan1: send auth to f8:08:4f:eb:95:4f (try 3/3)
[ 1650.018668] wlan1: authentication with f8:08:4f:eb:95:4f timed out
[ 1683.751644] wlan1: authenticate with f8:08:4f:eb:95:4f
[ 1683.770044] wlan1: send auth to f8:08:4f:eb:95:4f (try 1/3)
[ 1685.049748] wlan1: send auth to f8:08:4f:eb:95:4f (try 2/3)
[ 1686.018661] wlan1: send auth to f8:08:4f:eb:95:4f (try 3/3)


Openwrt is in FR mode when i have this

If i use India country for OpenWrt Wifi i have not this problem and run fine

Why ?

I cannot change Country for the BOX !!!