panic: unhandled af 0
Starting stack trace...
panic(ffffffff834af8c0) at panic+0x1ba sys/kern/subr_prf.c:229
unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1
if_output_tso(ffff8000002a3058,ffff80002a7950b0,ffff800000c57d70,fffffa807f2187f8,5dc) at if_output_tso+0x22b
ip_output(fffffa806dd1da00,0,fffffa8077e5e1b8,800,0,fffffa8077e5e250,10c9081587367382) at ip_output+0x105a sys/netinet/ip_output.c:437
tcp_output(ffff8000015bd5c0) at tcp_output+0x3513 sys/netinet/tcp_output.c:1070
tcp_send(ffff8000015a1598,fffffa806dd1dd00,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859
sosend(ffff8000015a1598,0,ffff80002a7954e8,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1
dofilewritev(ffff80002a766010,3,ffff80002a7954e8,0,ffff80002a795590) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff80002a766010,ffff80002a795640,ffff80002a795590) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a795640) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a795640) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x6fbb610a4130, count: 246
End of stack trace.
syncing disks...31 25  done