[bug]: is it normal that interface tun0 is not seen?

[Phil353556]

Description

Hello,
on a Raspberry Pi 4 Model B Rev 1.5
with 4GB of memory
under OS: Debian GNU/Linux 13 (trixie) aarch64
Using snitch:
nitch version
snitch dev

commit none
built unknown
go go1.25.0
os linux/arm64

snitch version is v0.2.2, the latest, has installation was done yesterday :-)
using command:
curl -sSL https://raw.githubusercontent.com/karol-broda/snitch/master/install.sh | sh

Is it normal that trafic over interface tun0 is not seen by snitch?

FYI
$ ip -br a |grep tun0
tun0 UNKNOWN 10.8.1.5/24 fe80::fe90:3b6f:521d:bd32/64

Thanks
Phil

Steps to Reproduce

on a raspberry pi where an openvpn is up & running with trafic on tun0 interface
run snitch ls
nothing seen by snitch

Expected Behavior

It would be useful to see trafic on tun0 interface

Actual Behavior

No response

Version

v1.25.0

Operating System

Linux

OS Version

Debian GNU/Linux 13 (trixie) aarch64

Installation Method

Install script

Configuration

no file there

Logs / Terminal Output

Additional Context

No response

[karol-broda]

snitch shows tcp/udp connections, not interface level traffic. if there are active connections routed through tun0 they should appear. could you share the output of snitch ls while there is active traffic on tun0? that would help narrow it down