panic: trap type 4, code=0, pc=ffffffff815bb310
Starting stack trace...
panic(ffffffff832e8929) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80002a907350) at kerntrap+0x28b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
bpfdetach(ffff800001440800) at bpfdetach+0x40 sys/net/bpf.c:1778
if_detach(ffff800001440800) at if_detach+0x153 sys/net/if.c:1200
tun_clone_destroy(ffff800001440800) at tun_clone_destroy+0x2aa sys/net/if_tun.c:346
if_clone_destroy(ffff80002a907540) at if_clone_destroy+0x1d7 sys/net/if.c:1389
sys_ioctl(ffff80003a54a540,ffff80002a907720,ffff80002a907670) at sys_ioctl+0x5bf
syscall(ffff80002a907720) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x76b70af2700, count: 247
End of stack trace.