/usr/share/icons/Humanity-Dark/devices/ is in humanity-icon-theme 0.6.15.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icons/Humanity-Dark/devices/16/
/usr/share/icons/Humanity-Dark/devices/16/nm-device-wired.svg
/usr/share/icons/Humanity-Dark/devices/22/
/usr/share/icons/Humanity-Dark/devices/22/gnome-dev-ethernet.svg
/usr/share/icons/Humanity-Dark/devices/22/gnome-dev-wavelan.svg
/usr/share/icons/Humanity-Dark/devices/22/network-wired.svg
/usr/share/icons/Humanity-Dark/devices/22/network-wireless.svg
/usr/share/icons/Humanity-Dark/devices/22/nm-device-wired.svg
/usr/share/icons/Humanity-Dark/devices/24/
/usr/share/icons/Humanity-Dark/devices/24/gnome-dev-ethernet.svg
/usr/share/icons/Humanity-Dark/devices/24/gnome-dev-wavelan.svg
/usr/share/icons/Humanity-Dark/devices/24/network-wired.svg
/usr/share/icons/Humanity-Dark/devices/24/network-wireless.svg
/usr/share/icons/Humanity-Dark/devices/24/nm-device-wired.svg