W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/fixnix-ubuntu-netspeed-hirsute.list:1 and /etc/apt/sources.list.d/fixnix-ubuntu-netspeed-hirsute.list:9 code example

Example: Target DEP-11-icons-small (stable/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/archive_uri-https_download_docker_com_linux_ubuntu-groovy.list:1 and /etc/apt/sources.list.d/docker-ce.list:1

sudo rm /var/lib/apt/lists/* -vf