snprint(addr, sizeof addr, "%s!0x%x", path, Aoetype);
dc = chandial(addr, nil, nil, &cc);
snprint(addr, sizeof addr, "%s/mtu", path);
snprint(addr, sizeof addr, "%s!0x%x", path, Aoetype);
dc = chandial(addr, nil, nil, &cc);
snprint(addr, sizeof addr, "%s/mtu", path);