I just had the issue again. I was not able to access the admin page via Wifi. Only LAN was working.
I managed to find System Log and Kernel Log. Here are the “newest” entries.
System Log:
Wed Jan 19 12:07:02 2022 daemon.info dnsmasq-dhcp[3077]: DHCPREQUEST(br-lan) 192.168.8.195 38:30:f9:00:c7:bb
Wed Jan 19 12:07:02 2022 daemon.info dnsmasq-dhcp[3077]: DHCPACK(br-lan) 192.168.8.195 38:30:f9:00:c7:bb LG-Q7
Wed Jan 19 12:07:06 2022 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 00:80:e1:c9:cc:62
Wed Jan 19 12:07:06 2022 daemon.info hostapd: wlan1: STA 00:80:e1:c9:cc:62 IEEE 802.11: authenticated
Wed Jan 19 12:07:06 2022 daemon.info hostapd: wlan1: STA 00:80:e1:c9:cc:62 IEEE 802.11: associated (aid 2)
Wed Jan 19 12:07:06 2022 daemon.notice hostapd: wlan1: AP-STA-CONNECTED 00:80:e1:c9:cc:62
Wed Jan 19 12:07:06 2022 daemon.info hostapd: wlan1: STA 00:80:e1:c9:cc:62 RADIUS: starting accounting session 1AD885C631FA64A6
Wed Jan 19 12:07:06 2022 daemon.info hostapd: wlan1: STA 00:80:e1:c9:cc:62 WPA: pairwise key handshake completed (RSN)
Wed Jan 19 12:07:07 2022 daemon.info dnsmasq-dhcp[3077]: DHCPDISCOVER(br-lan) 00:80:e1:c9:cc:62
Wed Jan 19 12:07:07 2022 daemon.info dnsmasq-dhcp[3077]: DHCPOFFER(br-lan) 192.168.8.216 00:80:e1:c9:cc:62
Wed Jan 19 12:07:09 2022 daemon.info dnsmasq-dhcp[3077]: DHCPREQUEST(br-lan) 192.168.8.216 00:80:e1:c9:cc:62
Wed Jan 19 12:07:09 2022 daemon.info dnsmasq-dhcp[3077]: DHCPACK(br-lan) 192.168.8.216 00:80:e1:c9:cc:62 softliQ-SD21-c9cc62
Wed Jan 19 12:19:54 2022 daemon.notice netifd: modem_1_1_2_4 (9094): udhcpc: sending renew to 100.96.108.9
Wed Jan 19 12:19:54 2022 daemon.notice netifd: modem_1_1_2_4 (9094): udhcpc: lease of 100.96.108.10 obtained, lease time 7200
====================
Kernel Log:
[1981636.860366] WARNING: CPU: 0 PID: 1028 at backports-4.19.161-1/net/mac80211/ieee80211_i.h:1429 sta_info_alloc+0x378/0x4a8 [mac80211]
[1981636.872848] Modules linked in: ath9k ath9k_common rt2800usb rt2800lib pppoe ppp_async ath9k_hw ath10k_pci ath10k_core ath rt2x00usb rt2x00lib pppox ppp_mppe ppp_generic option nf_nat_pptp nf_conntrack_pptp mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_hashlimit xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_IPMARK xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY wireguard usb_wwan ts_fsm ts_bm slhc sierra_net sierra rndis_host qmi_wwan nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_redirect nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc
[1981636.946493] nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_h323 nf_nat_ftp nf_nat_amanda nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack_broadcast ts_kmp nf_conntrack_amanda iptable_raw iptable_mangle iptable_filter ipt_ECN ipheth ip_tables huawei_cdc_ncm ebtables ebt_vlan ebt_stp ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit ebt_among ebt_802_3 crc_ccitt cp210x compat_xtables compat cdc_wdm cdc_ncm cdc_ether cdc_acm xt_u32 fuse sch_teql sch_sfq sch_red sch_prio sch_pie sch_multiq sch_gred sch_fq sch_dsmark sch_codel sch_cbq em_text em_nbyte em_meta em_cmp act_simple act_police act_pedit act_ipt act_gact act_csum
[1981637.020420] libcrc32c act_connmark sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6t_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 nf_nat nf_conntrack nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 GobiSerial usbserial GobiNet usbnet ip6_udp_tunnel udp_tunnel tun vfat fat ntfs nls_utf8 nls_iso8859_1
[1981637.094227] nls_cp437 sha1_generic ecb uas usb_storage uhci_hcd ohci_platform ohci_hcd ehci_platform sd_mod scsi_mod ehci_hcd gpio_button_hotplug ext4 mbcache jbd2 exfat phy_ar7200_usb phy_ar7100_usb usbcore nls_base usb_common mii aead crypto_null cryptomgr crc32c_generic crypto_hash
[1981637.120721] CPU: 0 PID: 1028 Comm: hostapd Not tainted 4.14.221 #0
[1981637.127285] Stack : 805d0000 80588b18 00000000 00000000 80555c0c 86089aac 8629d41c 805b5a27
[1981637.136171] 80551cf0 00000404 80713670 00000595 014000c0 00000001 86089a60 66ea832c
[1981637.145018] 00000000 00000000 80710000 00007790 00000000 00000000 00000007 00000000
[1981637.153854] 0000017b 0f1cd09d 0000017a 00000000 80000000 00000009 00000000 86be6868
[1981637.162689] 86b86490 00000595 014000c0 00000010 00000003 802cbcb4 00000000 80710000
[1981637.171519] …
[1981637.174223] Call Trace:
[1981637.176956] [<8006aaac>] show_stack+0x58/0x100
[1981637.181874] [<800853b0>] __warn+0xe4/0x13c
[1981637.186365] [<80085498>] warn_slowpath_null+0x1c/0x34
[1981637.191957] [<86b86490>] sta_info_alloc+0x378/0x4a8 [mac80211]
[1981637.198431] [<86ba0bf4>] ieee80211_nan_func_match+0x3590/0x4170 [mac80211]
[1981637.205936] [<86b1e924>] cfg80211_rx_control_port+0x4294/0x6f34 [cfg80211]
[1981637.213297] —[ end trace 84b67a1dece37456 ]—
[1981638.613177] br-lan: port 3(wlan1) entered blocking state
[1981638.618940] br-lan: port 3(wlan1) entered forwarding state
[2015402.191876] device wlan1 left promiscuous mode
[2015402.196971] br-lan: port 3(wlan1) entered disabled state
[2015403.228832] br-lan: port 3(wlan1) entered blocking state
[2015403.234590] br-lan: port 3(wlan1) entered disabled state
[2015403.240603] device wlan1 entered promiscuous mode
[2015404.750424] br-lan: port 3(wlan1) entered blocking state
[2015404.756167] br-lan: port 3(wlan1) entered forwarding state
[2015409.654093] device wlan1 left promiscuous mode
[2015409.659074] br-lan: port 3(wlan1) entered disabled state
[2015410.701792] br-lan: port 3(wlan1) entered blocking state
[2015410.707572] br-lan: port 3(wlan1) entered disabled state
[2015410.713704] device wlan1 entered promiscuous mode
[2015412.211483] br-lan: port 3(wlan1) entered blocking state
[2015412.217237] br-lan: port 3(wlan1) entered forwarding state
[2059685.682203] device wlan1 left promiscuous mode
[2059685.687248] br-lan: port 3(wlan1) entered disabled state
[2059686.721063] br-lan: port 3(wlan1) entered blocking state
[2059686.726779] br-lan: port 3(wlan1) entered disabled state
[2059686.732835] device wlan1 entered promiscuous mode
[2059688.268421] br-lan: port 3(wlan1) entered blocking state
[2059688.274177] br-lan: port 3(wlan1) entered forwarding state
[2059692.846154] device wlan1 left promiscuous mode
[2059692.851207] br-lan: port 3(wlan1) entered disabled state
[2059694.255343] br-lan: port 3(wlan1) entered blocking state
[2059694.261108] br-lan: port 3(wlan1) entered disabled state
[2059694.267108] device wlan1 entered promiscuous mode
[2059695.772634] br-lan: port 3(wlan1) entered blocking state
[2059695.778316] br-lan: port 3(wlan1) entered forwarding state
[2364959.116140] device wlan1 left promiscuous mode
[2364959.121155] br-lan: port 3(wlan1) entered disabled state
[2364960.861945] br-lan: port 3(wlan1) entered blocking state
[2364960.867666] br-lan: port 3(wlan1) entered disabled state
[2364960.873721] device wlan1 entered promiscuous mode
[2364962.540630] br-lan: port 3(wlan1) entered blocking state
[2364962.546316] br-lan: port 3(wlan1) entered forwarding state
[2364966.796949] device wlan1 left promiscuous mode
[2364966.801919] br-lan: port 3(wlan1) entered disabled state
[2364967.826830] br-lan: port 3(wlan1) entered blocking state
[2364967.832579] br-lan: port 3(wlan1) entered disabled state
[2364967.838608] device wlan1 entered promiscuous mode
[2364969.347316] br-lan: port 3(wlan1) entered blocking state
[2364969.353076] br-lan: port 3(wlan1) entered forwarding state
[2423090.660508] device wlan1 left promiscuous mode
[2423090.665460] br-lan: port 3(wlan1) entered disabled state
[2423091.719352] br-lan: port 3(wlan1) entered blocking state
[2423091.725036] br-lan: port 3(wlan1) entered disabled state
[2423091.731111] device wlan1 entered promiscuous mode
[2423093.356130] br-lan: port 3(wlan1) entered blocking state
[2423093.361816] br-lan: port 3(wlan1) entered forwarding state
[2423097.542596] device wlan1 left promiscuous mode
[2423097.547997] br-lan: port 3(wlan1) entered disabled state
[2423098.939366] br-lan: port 3(wlan1) entered blocking state
[2423098.945090] br-lan: port 3(wlan1) entered disabled state
[2423098.951213] device wlan1 entered promiscuous mode
[2423100.517514] br-lan: port 3(wlan1) entered blocking state
[2423100.523270] br-lan: port 3(wlan1) entered forwarding state
[2533405.848395] device wlan1 left promiscuous mode
[2533405.853500] br-lan: port 3(wlan1) entered disabled state
[2533407.121868] br-lan: port 3(wlan1) entered blocking state
[2533407.127704] br-lan: port 3(wlan1) entered disabled state
[2533407.133847] device wlan1 entered promiscuous mode
[2533408.771518] br-lan: port 3(wlan1) entered blocking state
[2533408.777231] br-lan: port 3(wlan1) entered forwarding state
[2533412.364849] device wlan1 left promiscuous mode
[2533412.369838] br-lan: port 3(wlan1) entered disabled state
[2533413.723644] br-lan: port 3(wlan1) entered blocking state
[2533413.729426] br-lan: port 3(wlan1) entered disabled state
[2533413.735605] device wlan1 entered promiscuous mode
[2533415.367102] br-lan: port 3(wlan1) entered blocking state
[2533415.372836] br-lan: port 3(wlan1) entered forwarding state
[2772903.932841] device wlan1 left promiscuous mode
[2772903.937859] br-lan: port 3(wlan1) entered disabled state
[2772904.972273] br-lan: port 3(wlan1) entered blocking state
[2772904.978137] br-lan: port 3(wlan1) entered disabled state
[2772904.984151] device wlan1 entered promiscuous mode
[2772906.501569] br-lan: port 3(wlan1) entered blocking state
[2772906.507309] br-lan: port 3(wlan1) entered forwarding state
[2772911.449747] device wlan1 left promiscuous mode
[2772911.454676] br-lan: port 3(wlan1) entered disabled state
[2772912.520870] br-lan: port 3(wlan1) entered blocking state
[2772912.526695] br-lan: port 3(wlan1) entered disabled state
[2772912.532695] device wlan1 entered promiscuous mode
[2772914.126873] br-lan: port 3(wlan1) entered blocking state
[2772914.132553] br-lan: port 3(wlan1) entered forwarding state
[2793435.898908] device wlan1 left promiscuous mode
[2793435.903990] br-lan: port 3(wlan1) entered disabled state
[2793436.927526] br-lan: port 3(wlan1) entered blocking state
[2793436.933306] br-lan: port 3(wlan1) entered disabled state
[2793436.939435] device wlan1 entered promiscuous mode
[2793436.944596] br-lan: port 3(wlan1) entered blocking state
[2793436.950323] br-lan: port 3(wlan1) entered forwarding state
[2793436.956382] br-lan: port 3(wlan1) entered disabled state
[2793438.474449] br-lan: port 3(wlan1) entered blocking state
[2793438.480193] br-lan: port 3(wlan1) entered forwarding state
[2793443.237149] device wlan1 left promiscuous mode
[2793443.242166] br-lan: port 3(wlan1) entered disabled state
[2793444.480885] br-lan: port 3(wlan1) entered blocking state
[2793444.486654] br-lan: port 3(wlan1) entered disabled state
[2793444.492703] device wlan1 entered promiscuous mode
[2793446.016486] br-lan: port 3(wlan1) entered blocking state
[2793446.022254] br-lan: port 3(wlan1) entered forwarding state
[2868257.342672] device wlan1 left promiscuous mode
[2868257.347596] br-lan: port 3(wlan1) entered disabled state
[2868258.381082] br-lan: port 3(wlan1) entered blocking state
[2868258.386831] br-lan: port 3(wlan1) entered disabled state
[2868258.392877] device wlan1 entered promiscuous mode
[2868260.011569] br-lan: port 3(wlan1) entered blocking state
[2868260.017273] br-lan: port 3(wlan1) entered forwarding state
[2868264.427125] device wlan1 left promiscuous mode
[2868264.432098] br-lan: port 3(wlan1) entered disabled state
[2868265.461158] br-lan: port 3(wlan1) entered blocking state
[2868265.466958] br-lan: port 3(wlan1) entered disabled state
[2868265.472998] device wlan1 entered promiscuous mode
[2868266.983750] br-lan: port 3(wlan1) entered blocking state
[2868266.989435] br-lan: port 3(wlan1) entered forwarding state
[2894425.785043] device wlan1 left promiscuous mode
[2894425.790130] br-lan: port 3(wlan1) entered disabled state
[2894426.891189] br-lan: port 3(wlan1) entered blocking state
[2894426.897059] br-lan: port 3(wlan1) entered disabled state
[2894426.903063] device wlan1 entered promiscuous mode
[2894428.402971] br-lan: port 3(wlan1) entered blocking state
[2894428.408727] br-lan: port 3(wlan1) entered forwarding state
[2894433.412518] device wlan1 left promiscuous mode
[2894433.417519] br-lan: port 3(wlan1) entered disabled state
[2894434.443143] br-lan: port 3(wlan1) entered blocking state
[2894434.448964] br-lan: port 3(wlan1) entered disabled state
[2894434.454962] device wlan1 entered promiscuous mode
[2894435.965913] br-lan: port 3(wlan1) entered blocking state
[2894435.971599] br-lan: port 3(wlan1) entered forwarding state
[3040397.622280] device wlan1 left promiscuous mode
[3040397.627218] br-lan: port 3(wlan1) entered disabled state
[3040398.952677] br-lan: port 3(wlan1) entered blocking state
[3040398.958363] br-lan: port 3(wlan1) entered disabled state
[3040398.964445] device wlan1 entered promiscuous mode
[3040400.686763] br-lan: port 3(wlan1) entered blocking state
[3040400.692523] br-lan: port 3(wlan1) entered forwarding state
[3040405.395302] device wlan1 left promiscuous mode
[3040405.400386] br-lan: port 3(wlan1) entered disabled state
[3040406.424521] br-lan: port 3(wlan1) entered blocking state
[3040406.430332] br-lan: port 3(wlan1) entered disabled state
[3040406.436418] device wlan1 entered promiscuous mode
[3040407.937651] br-lan: port 3(wlan1) entered blocking state
[3040407.943413] br-lan: port 3(wlan1) entered forwarding state
[3054184.734034] device wlan1 left promiscuous mode
[3054184.739167] br-lan: port 3(wlan1) entered disabled state
[3054185.807407] br-lan: port 3(wlan1) entered blocking state
[3054185.813129] br-lan: port 3(wlan1) entered disabled state
[3054185.819185] device wlan1 entered promiscuous mode
[3054187.371642] br-lan: port 3(wlan1) entered blocking state
[3054187.377388] br-lan: port 3(wlan1) entered forwarding state
[3054192.250715] device wlan1 left promiscuous mode
[3054192.255816] br-lan: port 3(wlan1) entered disabled state
[3054193.591802] br-lan: port 3(wlan1) entered blocking state
[3054193.597564] br-lan: port 3(wlan1) entered disabled state
[3054193.603633] device wlan1 entered promiscuous mode
[3054195.246544] br-lan: port 3(wlan1) entered blocking state
[3054195.252228] br-lan: port 3(wlan1) entered forwarding state