Function net_interfaces

network_diagnostics.py:1999–2002

()

    typically don't support this -> fields stay None."""
    d = {'speed': None, 'duplex': None, 'autoneg': None, 'link_detected': None}
    res = _run(['ethtool', iface], timeout=6)
    if res['rc'] != 0:
        return d
    out = res['out']
    m = re.search(r'Speed:\s*(.+)', out)
    if m and 'Unknown' not in m.group(1):
        d['speed'] = m.group(1).strip()