I changed channel to auto
and select my country code, and looks like for me all works correct:
root@Router:~# iw phy phy0 channels
Band 2:
* 5180 MHz [36] (disabled)
* 5200 MHz [40] (disabled)
* 5220 MHz [44] (disabled)
* 5240 MHz [48] (disabled)
* 5260 MHz [52] (disabled)
* 5280 MHz [56] (disabled)
* 5300 MHz [60] (disabled)
* 5320 MHz [64] (disabled)
* 5500 MHz [100]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5520 MHz [104]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5540 MHz [108]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5560 MHz [112]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5580 MHz [116]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5600 MHz [120]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5620 MHz [124]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5640 MHz [128]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: usable (for 88071 sec)
DFS CAC time: 60000 ms
* 5660 MHz [132]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: available (for 87988 sec)
DFS CAC time: 60000 ms
* 5680 MHz [136]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: available (for 87988 sec)
DFS CAC time: 60000 ms
* 5700 MHz [140]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- HT40+ VHT80
DFS state: available (for 87988 sec)
DFS CAC time: 60000 ms
* 5720 MHz [144]
Maximum TX power: 20.0 dBm
Radar detection
Channel widths: 20MHz HT40- VHT80
DFS state: available (for 87988 sec)
DFS CAC time: 60000 ms
* 5745 MHz [149]
Maximum TX power: 20.0 dBm
Channel widths: 20MHz HT40+ VHT80
* 5765 MHz [153]
Maximum TX power: 20.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5785 MHz [157]
Maximum TX power: 20.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5805 MHz [161]
Maximum TX power: 20.0 dBm
Channel widths: 20MHz HT40- HT40+ VHT80
* 5825 MHz [165]
Maximum TX power: 20.0 dBm
Channel widths: 20MHz HT40- VHT80
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)
root@Router:~#