def setdefault(self, key, defval=None):
        if key in self:
            return self[key]
        else:
            self[key] = defval
            return defval
Deleting Ethernet interfaces is currently not supported
dataset/ETHPy150Open editorconfig/editorconfig-vim/plugin/editorconfig-core-py/editorconfig/odict.py/OrderedDict.setdefault--crossover with--dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/interfaces.py/EthernetInterface.delete