/usr/lib/x86_64-linux-gnu/libeconnman0_7x.so is in libedbus-dev 1.7.10-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libeconnman0_7x.so.1.7.10
/usr/lib/x86_64-linux-gnu/libeconnman0_7x.so.1.7.10