panic: trap type 4, code=0, pc=ffffffff81cb3951
Starting stack trace...
panic(ffffffff82fe6e56) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a0c06c0) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
icmp_mtudisc_timeout(fffffd80669ad328,0) at icmp_mtudisc_timeout+0x111 sys/netinet/ip_icmp.c:1073
rt_timer_queue_flush(ffffffff8357b660) at rt_timer_queue_flush+0x281 sys/net/route.c:1573
ip_sysctl(ffff80002a0c097c,1,0,ffff80002a0c09a8,20001300,4) at ip_sysctl+0x7b4 sys/netinet/ip_input.c:1730
net_sysctl(ffff80002a0c0974,3,0,ffff80002a0c09a8,20001300,4,aace6d83375a55b1) at net_sysctl+0x64a sys/kern/uipc_domain.c:248
sys_sysctl(ffff8000371e9710,ffff80002a0c0ae0,ffff80002a0c0a30) at sys_sysctl+0x425
syscall(ffff80002a0c0ae0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline]
syscall(ffff80002a0c0ae0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x2266e28a3b0, count: 247
End of stack trace.