docker pull immortalwrt/opde:sdk
docker run -it --rm immortalwrt/opde:sdk zsh # or bash
export http_proxy= # [your proxy], do not use localhost or 127.0.0.1
export https_proxy=$http_proxy
opde feeds && opde config -a
make package/feeds/base/fullconenat/compile -j$(nproc) || make package/feeds/base/fullconenat/compile V=s

Applying ./patches/000-printk.patch using plaintext: 
patching file xt_FULLCONENAT.c
Hunk #1 succeeded at 702 (offset 5 lines).
make[4]: Entering directory '/openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-4.19.204'
  CC [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/fullconenat-2019-10-21-0cf3b48f/xt_FULLCONENAT.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/fullconenat-2019-10-21-0cf3b48f/xt_FULLCONENAT.mod.o
  LD [M]  /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/fullconenat-2019-10-21-0cf3b48f/xt_FULLCONENAT.ko
/openwrt/staging_dir/toolchain-aarch64_cortex-a72_gcc-8.4.0_musl/bin/aarch64-openwrt-linux-musl-ld: cannot open linker script file ./arch/arm64/kernel/module.lds: No such file or directory
make[5]: *** [scripts/Makefile.modpost:129: /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/fullconenat-2019-10-21-0cf3b48f/xt_FULLCONENAT.ko] Error 1
make[4]: *** [Makefile:1548: modules] Error 2
make[4]: Leaving directory '/openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/linux-4.19.204'
make[3]: *** [Makefile:68: /openwrt/build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/fullconenat-2019-10-21-0cf3b48f/.built] Error 2