Fastnetmon use /var/run/exabgp.cmd to transfer control commands to Exabgp;
Exabgp use "run /usr/bin/socat stdout pipe:/var/run/exabgp.cmd" to pipe the command;
by default, Exabgp will fail with ERR " Too many respawn for dynamic terminating program"
you must run command:
rm /var/run/exabgp.cmd
mkfifo /var/run/exabgp.cmd
to make the "/var/run/exabgp.cmd" into fifo type file
