Ubuntu

Comment 2 for bug 921961

StacktraceTop:
 if_output (so=0x0, ifm=0x7fc24069d410) at slirp/if.c:80
 ip_output (so=0x0, m0=0x7fc24069d410) at slirp/ip_output.c:84
 bootp_reply (bp=0x7fc24069cdf8, slirp=<optimized out>) at slirp/bootp.c:309
 bootp_input (m=<optimized out>) at slirp/bootp.c:317
 udp_input (m=0x7fc24069cd90, iphlen=<optimized out>) at slirp/udp.c:126