Please check if attached patch solves your issues.
This fix is temporary, more proper one is on the way.
Index: route.c
===
--- route.c (revision 260226)
+++ route.c (working copy)
@@ -943,9 +992,20 @@
register struct radix_node *rn
Synopsis: panic: rtfree 2 (using RADIX_MPATH in a VNET jail)
Responsible-Changed-From-To: freebsd-bugs->melifaro
Responsible-Changed-By: melifaro
Responsible-Changed-When: Thu Jan 2 13:34:35 UTC 2014
Responsible-Changed-Why:
Take.
http://www.freebsd.org/cgi/query-pr.cgi?pr=185092
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