panic: trap type 4, code=0, pc=ffffffff81ea0350
Starting stack trace...
panic(ffffffff823be5fc) at panic+0x14c sys/kern/subr_prf.c:218
kerntrap(ffff80002350f840) at kerntrap+0x1d7 sys/arch/amd64/amd64/trap.c:295
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
pfi_ifhead_RB_REMOVE(ffffffff828dce18,ffff800000b15700) at pfi_ifhead_RB_REMOVE+0x50 sys/net/pf_if.c:80
pfi_detach_ifgroup(ffff800000ab8b00) at pfi_detach_ifgroup+0x11b pfi_kif_unref sys/net/pf_if.c:211 [inline]
pfi_detach_ifgroup(ffff800000ab8b00) at pfi_detach_ifgroup+0x11b sys/net/pf_if.c:304
if_delgroup(ffff800000abe800,ffff800000ab8b00) at if_delgroup+0x193 sys/net/if.c:2679
if_detach(ffff800000abe800) at if_detach+0x1ab sys/net/if.c:1042
tun_clone_destroy(ffff800000abe800) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:325
if_clone_destroy(ffff80002350faf0) at if_clone_destroy+0x146 sys/net/if.c:1201
tun_dev_close(5d01,7) at tun_dev_close+0x140 sys/net/if_tun.c:476
spec_close(ffff80002350fbc0) at spec_close+0x311 sys/kern/spec_vnops.c:560
VOP_CLOSE(fffffd806edc8008,7,fffffd807f7bf540,ffff8000212c2508) at VOP_CLOSE+0xeb sys/kern/vfs_vops.c:177
vn_closefile(fffffd8069190ef0,ffff8000212c2508) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline]
vn_closefile(fffffd8069190ef0,ffff8000212c2508) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614
fdrop(fffffd8069190ef0,ffff8000212c2508) at fdrop+0xc2 sys/kern/kern_descrip.c:1279
closef(fffffd8069190ef0,ffff8000212c2508) at closef+0x11c sys/kern/kern_descrip.c:1263
fdfree(ffff8000212c2508) at fdfree+0xf4 sys/kern/kern_descrip.c:1195
exit1(ffff8000212c2508,0,19,1) at exit1+0x320 sys/kern/kern_exit.c:197
postsig(ffff8000212c2508,19) at postsig+0x4ea sigexit sys/kern/kern_sig.c:1486 [inline]
postsig(ffff8000212c2508,19) at postsig+0x4ea sys/kern/kern_sig.c:1418
userret(ffff8000212c2508) at userret+0x189 sys/kern/kern_sig.c:1906
syscall(ffff800023510040) at syscall+0x55c mi_syscall_return sys/sys/syscall_mi.h:129 [inline]
syscall(ffff800023510040) at syscall+0x55c sys/arch/amd64/amd64/trap.c:588
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff76c0, count: 236
End of stack trace.
WARNING: SPL NOT LOWERED ON SYSCALL 3 4 EXIT 0 9
Stopped at      savectx+0xb1:   movl    $0,%gs:0x530
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*181409  11184     74    0x100012          0    1  pflogd
savectx() at savectx+0xb1
end of kernel
end trace frame: 0x7f7ffffe5d10, count: 14
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