Collected errors:
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/base/hostapd-common_2020-05-20-dd2daf08-2_aarch64_cortex-a72.ipk, wget returned 8.
* opkg_install_pkg: Failed to download hostapd-common. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package kmod-mt76.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/luci/luci_git-20.160.76921-16f443b_all.ipk, wget returned 8.
* opkg_install_pkg: Failed to download luci. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package luci.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/packages/pciutils_3.6.4-1_aarch64_cortex-a72.ipk, wget returned 8.
* opkg_install_pkg: Failed to download pciutils. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package pciutils.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/luci/luci-app-nlbwmon_git-20.160.76921-16f443b_all.ipk, wget returned 8.
* opkg_install_pkg: Failed to download luci-app-nlbwmon. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package luci-app-nlbwmon.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/luci/luci-app-openvpn_git-20.160.76921-16f443b_all.ipk, wget returned 8.
* opkg_install_pkg: Failed to download luci-app-openvpn. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package luci-app-openvpn.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/luci/luci-app-vpnbypass_git-20.160.76921-16f443b_all.ipk, wget returned 8.
* opkg_install_pkg: Failed to download luci-app-vpnbypass. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package luci-app-vpnbypass.
* opkg_download: Failed to download http://downloads.openwrt.org/snapshots/packages/aarch64_cortex-a72/base/wpad-basic_2020-05-20-dd2daf08-2_aarch64_cortex-a72.ipk, wget returned 8.
* opkg_install_pkg: Failed to download wpad-basic. Perhaps you need to run 'opkg update'?
* opkg_install_cmd: Cannot install package wpad-basic.
make[2]: *** [Makefile:158: package_install] Error 255
make[1]: *** [Makefile:118: _call_image] Error 2
make: *** [Makefile:208: image] Error 2
Fixed in latest snapshot. 