For information this bug does not happen on Fedora/CentOS
philippe@pv-desktop:~$ docker run -it --rm fedora:latest bash -c "unset PATH; /bin/bash -c 'echo \$PATH'" /usr/local/bin:/usr/bin
For information this bug does not happen on Fedora/CentOS
philippe@ pv-desktop: ~$ docker run -it --rm fedora:latest bash -c "unset PATH; /bin/bash -c 'echo \$PATH'" bin:/usr/ bin
/usr/local/