rtfree: 0xffffff00036fb1e0 has 1 refs

Hi,

I've recently started using he.net's ipv6 tunnel and getting this message:
rtfree: 0xffffff00036fb1e0 has 1 refs

I've added kdb_backtrace() in route.c as Gleb Smirnoff suggested before. Here's
backtrace:
rtfree: 0xffffff00036fb1e0 has 1 refs
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
rtfree() at rtfree+0xba
gif_encapcheck4() at gif_encapcheck4+0x118
gif_encapcheck() at gif_encapcheck+0xfd
encap4_input() at encap4_input+0xcc
ip_input() at ip_input+0xc0
tunwrite() at tunwrite+0x1d5
giant_write() at giant_write+0x51
devfs_write_f() at devfs_write_f+0x9c
dofilewrite() at dofilewrite+0x85
kern_writev() at kern_writev+0x4c
write() at write+0x54
syscall() at syscall+0x1ce
Xfast_syscall() at Xfast_syscall+0xab
--- syscall (4, FreeBSD ELF64, write), rip = 0x80125c35c, rsp = 0x7fffffffda18,
rbp = 0x60 ---


ifconfig:
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
        tunnel inet 194.186.18.14 --> 64.71.128.83
        inet6 fe80::20f:eaff:fe7d:f320%gif0 prefixlen 64 scopeid 0x5 
        inet6 2001:470:1f03:2d5::2 --> 2001:470:1f03:2d5::1 prefixlen 128 
        inet6 2001:470:1f01:725::1 prefixlen 64 
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1500
        inet6 fe80::20f:eaff:fe7d:f320%tun0 prefixlen 64 scopeid 0x6 
        inet 194.186.18.14 --> 194.186.18.2 netmask 0xffffff00 
        Opened by PID 458


Yuri