Applying it again was resulting in duplicated TX info like:
Interface wlan0
ifindex 6
wdev 0x1
addr 00:23:6a:a3:7d:00
ssid LEDE2
type AP
wiphy 0
channel 11 (2462 MHz), width: 20 MHz, center1: 2462 MHz
txpower 31.00 dBm
txpower 31.00 dBm
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>