root@hassio:~# apt install ffmpeg
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
ffmpeg : Depends: libavcodec58 (= 7:4.3.6-0+deb11u1)
Depends: libavdevice58 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libavfilter7 (= 7:4.3.6-0+deb11u1)
Depends: libavformat58 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libavresample4 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libavutil56 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libpostproc55 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libsdl2-2.0-0 (>= 2.0.12) but it is not going to be installed
Depends: libswresample3 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
Depends: libswscale5 (= 7:4.3.6-0+deb11u1) but it is not going to be installed
homeassistant-supervised : Depends: systemd-resolved
E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).