LOR in route.c with today's RELENG_7

[Vlad GALU]

-- cut here --
lock order reversal:
 1st 0xffffffff805bcf60 pf task mtx (pf task mtx) @ contrib/pf/net/pf.c:6729
 2nd 0xffffff00031e1cf0 radix node head (radix node head) @ net/route.c:147
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
witness_checkorder() at witness_checkorder+0x557
_mtx_lock_flags() at _mtx_lock_flags+0x2f
rtalloc1() at rtalloc1+0x62
rtalloc_ign() at rtalloc_ign+0xa3
pf_calc_mss() at pf_calc_mss+0x87
pf_test_tcp() at pf_test_tcp+0xd27
pf_test() at pf_test+0xcdb
pf_check_in() at pf_check_in+0x2b
pfil_run_hooks() at pfil_run_hooks+0xac
ip_input() at ip_input+0x2dd
ether_demux() at ether_demux+0x1b4
ether_input() at ether_input+0x1c8
re_rxeof() at re_rxeof+0x317
re_int_task() at re_int_task+0x1f8
taskqueue_run() at taskqueue_run+0x94
ithread_loop() at ithread_loop+0xe5
fork_exit() at fork_exit+0x110
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xffffffffabc6bd30, rbp = 0 ---
-- and here --

   Didn't see this on Bjoern's list.

-- 
Mahnahmahnah!