New comment by zdykstra on void-packages repository

https://github.com/void-linux/void-packages/pull/32724#issuecomment-954437596

Comment:
Tested on `x86_64/glibc`, seems to work as expected.

```
bash-5.1$ ethtool --version
ethtool version 5.14
bash-5.1$ ethtool enp65s0f0
Settings for enp65s0f0:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: Yes
        Advertised FEC modes: Not reported
        Speed: 1000Mb/s
        Duplex: Full
        Auto-negotiation: on
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        MDI-X: off (auto)
netlink error: Operation not permitted
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes
```