It appears that my DigiPi does not digipeat when it is not connected to the Internet. Here is the packet log:
Audio device for both receive and transmit: default (channel 0)
Channel 0: 1200 baud, AFSK 1200 & 2200 Hz, A+, 44100 sample rate / 3, Tx AX.25.
Initializing GPIO common structure
Opening GPIO line 16 on chip /dev/gpiochip0
Using /dev/hidraw0 GPIO 3 for channel 0 PTT control.
Ready to accept AGW client application 0 on port 8000 ...
Ready to accept KISS TCP client application 0 on port 8001 ...
DNS-SD: Avahi: Announcing KISS TCP on port 8001 as 'Dire Wolf on DigiPi-Tactical'
Virtual KISS TNC is available on /dev/pts/0
Created symlink /tmp/kisstnc -> /dev/pts/0
DNS-SD: Avahi: Service 'Dire Wolf on DigiPi-Tactical' successfully registered.
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
[0L] WA4SKI-3>APDW18,WIDE2-1:!b=Suc0da+# !Tactical-Locations Vary-WA4SKI WIDE1 DigiPi
http://digipi.org/<0x20>
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution
Can't get address for IGate server
noam.aprs2.net, Temporary failure in name resolution