Make ``ifconfig -l ether'' only list interfaces that speak Ethernet.
Make ``ifconfig -l ether'' only list interfaces that speak Ethernet.

PR:		118987
Approved by:	ken (mentor)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase