device.cli
https://napalm.readthedocs.io/en/latest/base.html
device.cli(["command"]) >>> pp(device.cli(["show interfaces terse"])) {'show interfaces terse': '\n' 'Interface Admin Link Proto ' 'Local Remote\n' 'lc-1/0/0 up up\n' 'lc-1/0/0.32769 up up vpls \n' 'pfe-1/0/0 up up\n' 'pfe-1/0/0.16383 up up inet \n' |