can't start echo

[Erically]

somebody know the problem?
My netmap doesn't install correctly?
command:
under /libuinet/bin/echo,execute ./echo -i eth2 -l 192.168.56.105 -p 8888
result:
uinet starting:cpus=1,nmbclusters=131072
cllwheelsize=524288
cllwheelsize=524288
UINET multiprocessor subsystem configured with 1 CPUs
WARNING:VIMAGE(virtualized network stack) is a highly experimental feature.
Timecounters tick every 10.000 msec
configstr is eth2
Segmentation fault
dmesg:
netmap_ioctl API mismatch for eth2 got 3 need 11
netmap_interp_ringid deprecated API,old ringid 0x5000->ringid 0 reg 4
netmap_do_regif lut ffffc900003a1000 bufs 37940 size 2048
generic_netmap_dtor Restored native NA(null)

[mxi1]

From the error message, you need one newer netmap library based on this one

netmap_ioctl API mismatch for eth2 got 3 need 11

The newer netmap uses 11~15 as the API value, you need to update it.