I can't get any logs, since the router doesn't boot correctly, I guess.
The config.buildinfo:
CONFIG_TARGET_ipq806x=y
CONFIG_TARGET_ipq806x_generic=y
CONFIG_TARGET_ipq806x_generic_DEVICE_linksys_ea7500-v1=y
CONFIG_BUSYBOX_CUSTOM=y
CONFIG_BUILD_PATENTED=y
CONFIG_BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY=y
CONFIG_BUSYBOX_CONFIG_FEATURE_EDITING_SAVE_ON_EXIT=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_FLAGS=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_REGEXP=y
CONFIG_BUSYBOX_CONFIG_FEATURE_LESS_WINCH=y
CONFIG_DROPBEAR_ECC=y
CONFIG_IMAGEOPT=y
CONFIG_OPENSSL_ENGINE=y
CONFIG_OPENSSL_PREFER_CHACHA_OVER_GCM=y
CONFIG_OPENSSL_WITH_ASM=y
CONFIG_OPENSSL_WITH_CHACHA_POLY1305=y
CONFIG_OPENSSL_WITH_CMS=y
CONFIG_OPENSSL_WITH_DEPRECATED=y
CONFIG_OPENSSL_WITH_ERROR_MESSAGES=y
CONFIG_OPENSSL_WITH_PSK=y
CONFIG_OPENSSL_WITH_SRP=y
CONFIG_OPENSSL_WITH_TLS13=y
CONFIG_PACKAGE_6in4=y
CONFIG_PACKAGE_6rd=y
CONFIG_PACKAGE_6to4=y
CONFIG_PACKAGE_MAC80211_NSS_SUPPORT=y
CONFIG_PACKAGE_NTFS-3G_HAS_PROBE=y
CONFIG_PACKAGE_ath10k-firmware-qca9984-ct=y
# CONFIG_PACKAGE_ath10k-firmware-qca99x0-ct is not set
CONFIG_PACKAGE_block-mount=y
CONFIG_PACKAGE_ca-certificates=y
CONFIG_PACKAGE_cgi-io=y
CONFIG_PACKAGE_collectd=y
CONFIG_PACKAGE_collectd-mod-conntrack=y
CONFIG_PACKAGE_collectd-mod-cpu=y
CONFIG_PACKAGE_collectd-mod-cpufreq=y
CONFIG_PACKAGE_collectd-mod-entropy=y
CONFIG_PACKAGE_collectd-mod-exec=y
CONFIG_PACKAGE_collectd-mod-interface=y
CONFIG_PACKAGE_collectd-mod-iwinfo=y
CONFIG_PACKAGE_collectd-mod-load=y
CONFIG_PACKAGE_collectd-mod-memory=y
CONFIG_PACKAGE_collectd-mod-network=y
CONFIG_PACKAGE_collectd-mod-ping=y
CONFIG_PACKAGE_collectd-mod-rrdtool=y
CONFIG_PACKAGE_collectd-mod-sqm=y
CONFIG_PACKAGE_collectd-mod-thermal=y
CONFIG_PACKAGE_collectd-mod-uptime=y
CONFIG_PACKAGE_dawn=y
CONFIG_PACKAGE_hostapd-utils=y
CONFIG_PACKAGE_ip6tables-mod-nat=y
CONFIG_PACKAGE_iptables-mod-conntrack-extra=y
CONFIG_PACKAGE_iptables-mod-extra=y
CONFIG_PACKAGE_iptables-mod-ipopt=y
CONFIG_PACKAGE_iptables-mod-physdev=y
CONFIG_PACKAGE_irqbalance=y
CONFIG_PACKAGE_kmod-br-netfilter=y
CONFIG_PACKAGE_kmod-crypto-acompress=y
CONFIG_PACKAGE_kmod-crypto-aead=y
CONFIG_PACKAGE_kmod-crypto-arc4=y
CONFIG_PACKAGE_kmod-crypto-authenc=y
CONFIG_PACKAGE_kmod-crypto-cbc=y
CONFIG_PACKAGE_kmod-crypto-crc32c=y
CONFIG_PACKAGE_kmod-crypto-deflate=y
CONFIG_PACKAGE_kmod-crypto-des=y
CONFIG_PACKAGE_kmod-crypto-ecb=y
CONFIG_PACKAGE_kmod-crypto-echainiv=y
CONFIG_PACKAGE_kmod-crypto-hash=y
CONFIG_PACKAGE_kmod-crypto-hmac=y
CONFIG_PACKAGE_kmod-crypto-manager=y
CONFIG_PACKAGE_kmod-crypto-md4=y
CONFIG_PACKAGE_kmod-crypto-md5=y
CONFIG_PACKAGE_kmod-crypto-null=y
CONFIG_PACKAGE_kmod-crypto-pcompress=y
CONFIG_PACKAGE_kmod-crypto-sha1=y
CONFIG_PACKAGE_kmod-crypto-sha256=y
CONFIG_PACKAGE_kmod-fs-cifs=y
CONFIG_PACKAGE_kmod-fs-exfat=y
CONFIG_PACKAGE_kmod-fs-ext4=y
CONFIG_PACKAGE_kmod-fs-hfsplus=y
CONFIG_PACKAGE_kmod-fs-msdos=y
CONFIG_PACKAGE_kmod-fs-vfat=y
CONFIG_PACKAGE_kmod-fuse=y
CONFIG_PACKAGE_kmod-ifb=y
CONFIG_PACKAGE_kmod-ipsec=y
CONFIG_PACKAGE_kmod-ipt-conntrack-extra=y
CONFIG_PACKAGE_kmod-ipt-extra=y
CONFIG_PACKAGE_kmod-ipt-ipopt=y
CONFIG_PACKAGE_kmod-ipt-nat6=y
CONFIG_PACKAGE_kmod-ipt-physdev=y
CONFIG_PACKAGE_kmod-ipt-raw=y
CONFIG_PACKAGE_kmod-iptunnel=y
CONFIG_PACKAGE_kmod-iptunnel4=y
CONFIG_PACKAGE_kmod-ledtrig-default-on=y
CONFIG_PACKAGE_kmod-ledtrig-heartbeat=y
CONFIG_PACKAGE_kmod-ledtrig-netdev=y
CONFIG_PACKAGE_kmod-ledtrig-timer=y
CONFIG_PACKAGE_kmod-lib-crc16=y
CONFIG_PACKAGE_kmod-lib-zlib-deflate=y
CONFIG_PACKAGE_kmod-lib-zlib-inflate=y
CONFIG_PACKAGE_kmod-nf-conntrack-netlink=y
CONFIG_PACKAGE_kmod-nf-nat6=y
CONFIG_PACKAGE_kmod-nfnetlink=y
CONFIG_PACKAGE_kmod-nls-cp1250=y
CONFIG_PACKAGE_kmod-nls-cp437=y
CONFIG_PACKAGE_kmod-nls-cp850=y
CONFIG_PACKAGE_kmod-nls-iso8859-1=y
CONFIG_PACKAGE_kmod-nls-iso8859-15=y
CONFIG_PACKAGE_kmod-nls-utf8=y
CONFIG_PACKAGE_kmod-nss-ifb=y
CONFIG_PACKAGE_kmod-qca-nss-drv=y
CONFIG_PACKAGE_kmod-qca-nss-drv-qdisc=y
CONFIG_PACKAGE_kmod-qca-nss-ecm-standard=y
CONFIG_PACKAGE_kmod-qca-nss-gmac=y
CONFIG_PACKAGE_kmod-sched-cake=y
CONFIG_PACKAGE_kmod-sched-core=y
CONFIG_PACKAGE_kmod-sit=y
CONFIG_PACKAGE_kmod-usb-storage=y
CONFIG_PACKAGE_libblkid=y
CONFIG_PACKAGE_libelf=y
CONFIG_PACKAGE_libgcrypt=y
CONFIG_PACKAGE_libgpg-error=y
CONFIG_PACKAGE_libiwinfo-lua=y
CONFIG_PACKAGE_libltdl=y
CONFIG_PACKAGE_liblua=y
CONFIG_PACKAGE_liblucihttp=y
CONFIG_PACKAGE_liblucihttp-lua=y
CONFIG_PACKAGE_libopenssl=y
CONFIG_PACKAGE_libopenssl-conf=y
CONFIG_PACKAGE_liboping=y
CONFIG_PACKAGE_librrd1=y
CONFIG_PACKAGE_librt=y
CONFIG_PACKAGE_libubus-lua=y
CONFIG_PACKAGE_libustream-openssl=y
# CONFIG_PACKAGE_libustream-wolfssl is not set
CONFIG_PACKAGE_libuuid=y
# CONFIG_PACKAGE_libwolfssl is not set
CONFIG_PACKAGE_lua=y
CONFIG_PACKAGE_luci=y
CONFIG_PACKAGE_luci-app-commands=y
CONFIG_PACKAGE_luci-app-dawn=y
CONFIG_PACKAGE_luci-app-firewall=y
CONFIG_PACKAGE_luci-app-nlbwmon=y
CONFIG_PACKAGE_luci-app-opkg=y
CONFIG_PACKAGE_luci-app-sqm=y
CONFIG_PACKAGE_luci-app-statistics=y
CONFIG_PACKAGE_luci-base=y
CONFIG_PACKAGE_luci-compat=y
CONFIG_PACKAGE_luci-lib-base=y
CONFIG_PACKAGE_luci-lib-ip=y
CONFIG_PACKAGE_luci-lib-json=y
CONFIG_PACKAGE_luci-lib-jsonc=y
CONFIG_PACKAGE_luci-lib-nixio=y
CONFIG_PACKAGE_luci-mod-admin-full=y
CONFIG_PACKAGE_luci-mod-network=y
CONFIG_PACKAGE_luci-mod-status=y
CONFIG_PACKAGE_luci-mod-system=y
CONFIG_PACKAGE_luci-proto-ipv6=y
CONFIG_PACKAGE_luci-proto-ppp=y
CONFIG_PACKAGE_luci-ssl-openssl=y
CONFIG_PACKAGE_luci-theme-bootstrap=y
CONFIG_PACKAGE_nlbwmon=y
CONFIG_PACKAGE_ntfs-3g=y
CONFIG_PACKAGE_openssl-util=y
CONFIG_PACKAGE_rpcd=y
CONFIG_PACKAGE_rpcd-mod-file=y
CONFIG_PACKAGE_rpcd-mod-iwinfo=y
CONFIG_PACKAGE_rpcd-mod-luci=y
CONFIG_PACKAGE_rpcd-mod-rrdns=y
CONFIG_PACKAGE_rrdtool1=y
CONFIG_PACKAGE_sqm-scripts=y
CONFIG_PACKAGE_tc=y
CONFIG_PACKAGE_uhttpd=y
CONFIG_PACKAGE_uhttpd-mod-ubus=y
CONFIG_PACKAGE_umdns=y
# CONFIG_PACKAGE_wpad-basic-wolfssl is not set
CONFIG_PACKAGE_wpad-openssl=y
CONFIG_PACKAGE_zlib=y
CONFIG_PREINITOPT=y
CONFIG_TARGET_PREINIT_TIMEOUT=5
CONFIG_WPA_MSG_MIN_PRIORITY=4
# CONFIG_WPA_WOLFSSL is not set
PS: This router is only supported on the snapshots.
PS2: I don't know if this is relevant or not, but with the November 12th snapshops, I can't get the WAN to work. Not even with static IP address. Had to return to the November 9th one: