It does not show you packets. It shows you the shape of your attention .
When enabled, the tool captures its own system calls. It watches itself watching the wire. The capture file becomes a Möbius strip: packets about packets about attention.
The manual’s final line reads: “The network is not a machine. The network is a medium. And you are the noise, the signal, and the filter. Exit with ‘:q!’ only if you are willing to forget what you have seen.” Thus pktool v2.0 — not a tool for packets, but a lens for the self that watches packets. Upgrade carefully.