/usr/powerpc64le-linux-gnu/lib/libgo.so.4 is in libgo4-ppc64el-cross 4.8.5-4ubuntu1cross2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/powerpc64le-linux-gnu/lib/libgo.so.4.0.0
/usr/powerpc64le-linux-gnu/lib/libgo.so.4.0.0