ubuntu@localhost:~$ snap interfaces
Slot                    Plug
:bluetooth-control      -
:firewall-control       -
:fuse-support           -
:hardware-observe       -
:home                   -
:kernel-module-control  -
:locale-control         -
:log-observe            -
:mount-observe          -
:network                piglow-app,snapweb
:network-bind           piglow-app,snapweb,webcam-webui
:network-control        -
:network-observe        -
:opengl                 -
:ppp                    -
:process-control        -
:snapd-control          snapweb
:system-observe         -
:system-trace           -
:timeserver-control     -
:timezone-control       -
:tpm                    -
-                       webcam-webui:camera