problem with running an example on VNUML

vnuml boot timeout

please could anyone help me with the problem i am facing. i am new in linux i have installed the vnuml in ubuntu, but when i am running the example i am not getting any visual output, does any one knows why?
this is how i am running the codee and the result i am getting. thamks again

root@ubuntu:/home/elise/Desktop/vnuml_1.9.0beta4-1_all/usr/share/vnuml/examples# vnumlparser.pl -t ppp.xml -o/tmp/boot
/usr/bin/touch
/bin/rm
/bin/mv
/bin/echo
/sbin/modprobe
/usr/sbin/tunctl
/sbin/ifconfig
/bin/cp
/bin/cat
/usr/bin/lsof
/bin/chown
/bin/hostname
/sbin/route
/usr/bin/scp
/bin/chmod
/usr/bin/ssh
/usr/bin/uml_mconsole
/bin/date
/bin/ps
/bin/grep
/bin/kill
/bin/ln
/usr/bin/mkisofs
/bin/mktemp
/bin/su
/usr/bin/find
/usr/bin/uml_switch
/usr/bin/xterm
/usr/bin/xauth
/usr/bin/xauth: timeout in locking authority file /home/elise/.Xauthority
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Checking for tmpfs mount on /dev/shm...OK
Checking PROT_EXEC mmap in /dev/shm/...OK
Checking for the skas3 patch in the host:
- /proc/mm...not found
- PTRACE_FAULTINFO...not found
- PTRACE_LDT...not found
UML running in SKAS0 mode
Adding 18075648 bytes to physical memory to account for exec-shield gap
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK