panic: trap type 4, code=0, pc=ffffffff81769ea0
Starting stack trace...
panic(ffffffff8330ecbd) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a3d8280) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
bpfdetach(ffff80000147b800) at bpfdetach+0x70 sys/net/bpf.c:1769
if_detach(ffff80000147b800) at if_detach+0x153 sys/net/if.c:1194
tun_clone_destroy(ffff80000147b800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346
if_clone_destroy(ffff80002a3d8540) at if_clone_destroy+0x1d7 sys/net/if.c:1383
ifioctl(ffff8000014d6b38,80206979,ffff80002a3d8540,ffff8000ffff6028) at ifioctl+0x5c5
sys_ioctl(ffff8000ffff6028,ffff80002a3d8720,ffff80002a3d8670) at sys_ioctl+0x5c3
syscall(ffff80002a3d8720) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3d8720) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x91d6ce05b20, count: 246
End of stack trace.