Function net_traceroute

network_diagnostics.py:1939–1945

()

            r = _run(['ip', 'link', 'del', _DHCP_SNOOP_BRIDGE], timeout=5)
        if r['rc'] not in (0, 1):
            return {'success': False, 'error': r['err'] or 'failed to remove bridge'}
        return {'success': True, 'destroyed': True}

    # ---- create: validate hard before touching any link --------------------
    default_if = _default_route_iface()
    for i in (iface_a, iface_b):
        if not _valid_iface(i):
            return {'success': False, 'error': f'invalid interface {i!r}'}
        if not _DHCP_SNOOP_WIRED_RE.match(i) or _is_wireless(i):
            return {'success': False, 'error': f'{i} is not an eligible wired NIC'}