Configuring a Floating Head

LINUXCNC - 2.8.0-36-ge08d61243
Machine configuration directory is '/home/user/linuxcnc/configs/plasma_cutter'
Machine configuration file is 'plasma_cutter.ini'
Starting LinuxCNC...
twopass:invoked with <> options
twopass:found ./plasma_cutter.hal
twopass:found ././plasmac/plasmac.tcl
twopass:found ./plasma_cutter_connections.hal
Note: Using POSIX realtime
hm2: loading Mesa HostMot2 driver version 0.15
hm2_eth: loading Mesa AnyIO HostMot2 ethernet driver version 0.2
hm2_eth: ERROR: 10.10.10.10: Could not retrieve mac address
hm2_eth: rtapi_app_main: Resource temporarily unavailable (-11)

twopass: load_the_modules cmd=<orig_loadrt hm2_eth [concat board_ip="10.10.10.10"] [concat config=" num_encoders=1 num_pwmgens=0 num_stepgens=5 sserial_port_0=00xxxx"]>
waitpid failed /usr/bin/rtapi_app hm2_eth
/usr/bin/rtapi_app exited without becoming ready
insmod for hm2_eth failed, returned -1

Shutting down and cleaning up LinuxCNC...
hm2: unloading
Note: Using POSIX realtime
LinuxCNC terminated with an error.  You can find more information in the log:
    /home/user/linuxcnc_debug.txt
and
    /home/user/linuxcnc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal