/usr/arm-linux-gnueabihf/lib/libgo.so.4 is in libgo4-armhf-cross 4.8.5-4ubuntu1cross2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/arm-linux-gnueabihf/lib/libgo.so.4.0.0
/usr/arm-linux-gnueabihf/lib/libgo.so.4.0.0