parrot下连接vpn提示要插件，插件下载命令
sudo apt-get install network-manager-l2tp-gnome network-manager-l2tp-gnome network-manager-pptp-gnome network-manager-pptp
以下貌似都是插件，
network-manager
network-manager-config-connectivity-debian
network-manager-dev
network-manager-fortisslvpn
network-manager-fortisslvpn-gnome
network-manager-gnome
network-manager-iodine
network-manager-iodine-gnome
network-manager-l2tp
network-manager-l2tp-gnome
network-manager-openconnect
network-manager-openconnect-gnome
network-manager-openvpn
network-manager-openvpn-gnome
network-manager-pptp
network-manager-pptp-gnome
network-manager-ssh
network-manager-ssh-gnome
network-manager-strongswan
network-manager-vpnc
network-manager-vpnc-gnome
需要哪个看着装