get_lldp_neighbors errors with multiline show lldp info

[johanek]

Some devices can return a multiline sysname, i.e.:

# show lldp info remote-device

 LLDP Remote Devices Information

  LocalPort | ChassisId          PortId             PortDescr SysName
  --------- + ------------------ ------------------ --------- ------------------
  7         | 00 5f 67 d0 7e 5a  gigabitEthernet... gigabi...
54 4c  2d 53   47 32  32 31    30 4d  50 00   00 00  00 00
00 00  00 00   00 00  00 00    00 00  00 00   00 00  00 00
00 00  00 00   00 00  00 00    00 00  00 00   00 00  00 00
00 00  00 00   00 00  00 00    00 00  00 00   00 00  00 00
00 00  00 00   00
  26        | cc 4e 24 83 08 a6  cc 4e 24 83 08 bd  10Giga... ROUTER-...

This results in the following errors:

Traceback (most recent call last):
  File "/Users/johan/.local/share/virtualenvs/sohonet-netbox-importer-Gj3g_iu9/lib/python3.9/site-packages/napalm_procurve/procurve.py", line 308, in get_lldp_neighbors
    (
ValueError: too many values to unpack (expected 11)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/johan/.local/share/virtualenvs/sohonet-netbox-importer-Gj3g_iu9/lib/python3.9/site-packages/nornir/core/task.py", line 98, in start
    r = self.task(self, **self.params)
  File "/Users/johan/git/vdl/sohonet-netbox-importer/bin/../nornirrunner/tasks/inventory.py", line 31, in get_device_info
    return _get_device_data(task, getters)
  File "/Users/johan/git/vdl/sohonet-netbox-importer/bin/../nornirrunner/tasks/inventory.py", line 50, in _get_device_data
    return napalm_get(task, getters=getters)
  File "/Users/johan/.local/share/virtualenvs/sohonet-netbox-importer-Gj3g_iu9/lib/python3.9/site-packages/nornir_napalm/plugins/tasks/napalm_get.py", line 44, in napalm_get
    result[g] = method(**options)
  File "/Users/johan/.local/share/virtualenvs/sohonet-netbox-importer-Gj3g_iu9/lib/python3.9/site-packages/napalm_procurve/procurve.py", line 325, in get_lldp_neighbors
    remote_port, device_id = self._get_lldp_neighbors_detail(local_port)
  File "/Users/johan/.local/share/virtualenvs/sohonet-netbox-importer-Gj3g_iu9/lib/python3.9/site-packages/napalm_procurve/procurve.py", line 376, in _get_lldp_neighbors_detail
    return (tmp_lldp_details["PortId"], tmp_lldp_details["SysName"])
KeyError: 'PortId'

Because get_lldp_neighbors is using line-by-line parsing of the output, each line of the hex values is being processed as if it were a separate entry in the table