MySensors Serial Gateway Error

I have a minimal installation of OH2 and I have installed the Mysensors Serial Gateway using instructions from https://github.com/tobof/openhab2-addons/wiki . I also changed the serial port definition to /dev/ttyacm0 in the things file. When I didn’t seem to see the port in the karaf console I also added "-Dgnu.io.rxtx.SerialPorts=/dev/ttyAMA0:/dev/ttyACM0 " to the start.sh file. At this point I now have the “MySensors Serial Gateway” showing in Paper UI but it remains offline.

The Karaf log shows the following. Please forgive the format. I don’t know to show this.
02:28:45.484 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;11;TemperatureAndHumidity
02:28:45.485 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;12;1.1
02:28:45.486 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;0;0;0;7;
02:28:45.488 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;1;0;0;6;
02:28:45.489 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;9;MCO:BGN:STP
02:28:45.498 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;9;MCO:SLP:MS=1000,SMS=0,I1=255,M1=255,I2=255,M2=255
02:28:45.502 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;9;MCO:BGN:INIT GW,CP=R-NGA–,VER=2.1.1
02:28:45.506 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;14;Gateway startup complete.
02:28:45.506 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;0;0;17;2.1.1
02:28:45.510 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;11;TemperatureAndHumidity
02:28:45.511 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;12;1.1
02:28:45.511 [ERROR] [col.serial.MySensorsSerialConnection] - Cannot start reading/writing thread, probably sync message (I_VERSION) not received. Try set skipStartupCheck to true
02:28:45.514 [ERROR] [col.serial.MySensorsSerialConnection] - Failed connecting to bridge…next retry in 10 seconds (Retry No.:37)
02:28:45.514 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;0;0;0;7;
02:28:45.515 [DEBUG] [col.serial.MySensorsSerialConnection] - Shutting down serial connection!
02:28:45.515 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;1;0;0;6;
02:28:45.516 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;9;MCO:BGN:STP
02:28:45.518 [DEBUG] [rs.internal.protocol.MySensorsWriter] - Stopping Writer thread
02:28:45.519 [ERROR] [rs.internal.protocol.MySensorsWriter] - (java.lang.InterruptedException) on writing to connection, message: class org.openhab.binding.mysensors.internal.protocol.serial.MySensorsSerialWriter
02:28:45.528 [DEBUG] [rs.internal.protocol.MySensorsReader] - Stopping Reader thread
02:28:45.528 [DEBUG] [rs.internal.protocol.MySensorsReader] - 0;255;3;0;9;MCO:SLP:MS=1000,SMS=0,I1=255,M1=255,I2=255,M2=255

Can anyone point me in the right direction?