client hostname instead of mac_address in pakon-show column

when running pakon-show output shows client hostname instead of MAC_ADDRESS.

root@turris:/usr/bin# pakon-show
|datetime            | dur | src MAC             | hostname               | dst port | proto | sent   | recvd |
|                    |     |                     |                        |          |       |        |       |
|2021-04-26 16:44:11 | 15s | filip-Latitude-7310 | 65.9.90.113            | https    | ?     | 215KiB |  14MiB|
|2021-04-26 16:44:14 | <1s | filip-Latitude-7310 | 13.224.95.88           | https    | ?     |  66B   |  66B  |
|2021-04-26 16:44:14 | 11s | filip-Latitude-7310 | 217.31.192.133         | https    | ?     | 957B   |   2KiB|

Version:

root@turris:/usr/bin# cat /etc/turris-version 
5.3.0
root@turris:/usr/bin# switch-branch 
You are currently in: hbl
Edited by Filip Hron