It's the NetworkManager apps that are part of the standard install of Linux Mint 20.2 (Ubuntu 20.04):

$ apt search ^network-manager
p network-manager -
p network-manager-config-connectivity-debian -
p network-manager-config-connectivity-ubuntu -
p network-manager-dev -
p network-manager-fortisslvpn -
p network-manager-fortisslvpn-gnome -
p network-manager-gnome -
p network-manager-iodine -
p network-manager-iodine-gnome -
p network-manager-l2tp -
p network-manager-l2tp-gnome -
p network-manager-openconnect -
p network-manager-openconnect-gnome -
p network-manager-openvpn -
p network-manager-openvpn-gnome -
p network-manager-pptp -
p network-manager-pptp-gnome -
p network-manager-ssh -
p network-manager-ssh-gnome -
p network-manager-strongswan -
p network-manager-vpnc -
p network-manager-vpnc-gnome

Purged and blacklisted.