root@root=/dev/ram rw console=ttyS0,115200,ip=192:168:25:35:/etc# hostapd wlan0_ac.cnf
Configuration file: wlan0_ac.cnf
Line 56: DEPRECATED: 'dump_file' configuration variable is not used anymore
rfkill: Cannot open RFKILL control device
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
br0: port 2(wlan0) entered forwarding state
br0: port 2(wlan0) entered forwarding state
br0: port 2(wlan0) entered disabled state
wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE
wlan0: IEEE 802.11 Configured channel (36) not found from the channel list of current mode (2) IEEE 802.11a
wlan0: IEEE 802.11 Hardware does not support configured channel
Could not select hw_mode and channel. (-3)
wlan0: interface state COUNTRY_UPDATE->DISABLED
wlan0: AP-DISABLED
wlan0: interface state DISABLED->DISABLED
wlan0: AP-DISABLED
hostapd_free_hapd_data: Interface wlan0 wasn't started
nl80211: deinit ifname=wlan0 disabled_11b_rates=0
br0: port 2(wlan0) entered disabled state
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

ath10k_pci 0000:01:00.0: no channel configured; ignoring frame(s)!
ath10k_pci 0000:01:00.0: no channel configured; ignoring frame(s)!
ath10k_pci 0000:01:00.0: no channel configured; ignoring frame(s)!
root@root=/dev/ram rw console=ttyS0,115200,ip=192:168:25:35:/etc# vi wlan0ath10k_pci 0000:01:00.0: no channel config                                                                                                                         ured; ignoring frame(s)!