Reach - can't connect to ReachView app (firmware 1.2) [solved - network address]

Reach Module / M+ / M2 Getting started
9

on Reach:

sudo grep -r '192.168.2.15' /etc/*

gives:

/etc/systemd/network/usb0.network

which contains:

 [Match]
Name=usb0

[Network]
Address=192.168.2.15/24