I found that ax25-stop and ax25-start set the icon on the desktop toThe icon represents the action that will occur if you click on it.
If there is an AX.25-control icon with an X through it, then ax.25 is
running and clicking on the icon will stop AX.25
If there is just an AX.25-control icon then ax.25 is not running and
clicking on it will start AX.25.
At least that was my intention.
Disclaimer: the majority of my RPi's run headless. A friend of mine
wanted an easy way to start & stop ax.25 and gave me the icons so there
you have it.
Personally I would run split channels so one channel is always running
packet & the other is running some HF program ... unless you want to run
two different HF programs on two HF radios.