Use default 0 for nxt_info to avoid X to decimal conversion error in sim_io.py...
Use default 0 for nxt_info to avoid X to decimal conversion error in sim_io.py with tb_unb2c_test.vhd.
Closes L2SDP-864
Use default 0 for nxt_info to avoid X to decimal conversion error in sim_io.py with tb_unb2c_test.vhd.
Closes L2SDP-864