lock order reversal
 1st 0xc4566264 rtentry (rtentry) @ /usr/src/sys/net/rtsock.c:387
 2nd 0xc4481a7c radix node head (radix node head) @ /usr/src/sys/net/route.c:133

Stack backtrace:
backtrace(c0692e54,c4481a7c,c069830a,c069830a,c0698360) at backtrace+0x17
witness_lock(c4481a7c,8,c0698360,85,c43f68a0) at witness_lock+0x672
_mtx_lock_flags(c4481a7c,0,c0698360,85,121) at _mtx_lock_flags+0xba
rtalloc1(c474636c,1,0,436,0) at rtalloc1+0x79
rt_setgate(c4566200,c43f68a0,c474636c,184,0) at rt_setgate+0x258
route_output(c192fe00,c45c5870,80,c192fe00,1f80) at route_output+0x67f
raw_usend(c45c5870,0,c192fe00,0,0) at raw_usend+0x73
rts_send(c45c5870,0,c192fe00,0,0) at rts_send+0x35
sosend(c45c5870,0,dc926c80,c192fe00,0) at sosend+0x44d
soo_write(c456a8c4,dc926c80,c474ea80,0,c4543280) at soo_write+0x70
dofilewrite(c4543280,c456a8c4,3,804e940,80) at dofilewrite+0xfb
write(c4543280,dc926d14,c06a6081,3ee,3) at write+0x6e
syscall(2f,2f,2f,804e99c,80) at syscall+0x2c0
Xint0x80_syscall() at Xint0x80_syscall+0x1d
--- syscall (4), eip = 0x280c20af, esp = 0xbfbfecec, ebp = 0xbfbfed08 ---