/usr/mips-linux-gnu/lib64/libgo.so.9 is in lib64go9-mips-cross 6.4.0-17ubuntu1cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/mips-linux-gnu/lib64/libgo.so.9.0.0
/usr/mips-linux-gnu/lib64/libgo.so.9.0.0