panic: tcp_input_with_port: unspecified destination v4 address
cpuid = 1
time = 12
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056d55530
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056d55690
vpanic() at vpanic+0x257/frame 0xfffffe0056d55850
panic() at panic+0xb5/frame 0xfffffe0056d55910
tcp_input_with_port() at tcp_input_with_port+0x25c5/frame 0xfffffe0056d55bb0
tcp_input() at tcp_input+0x1f/frame 0xfffffe0056d55bd0
ip_input() at ip_input+0xaa2/frame 0xfffffe0056d55cf0
swi_net() at swi_net+0x2b8/frame 0xfffffe0056d55d90
ithread_loop() at ithread_loop+0x4ec/frame 0xfffffe0056d55ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056d55f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056d55f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100033 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25887a7(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe0002bf1850
rdx                          0
rbx         0xffffffff82832260  .str.27
rsp         0xfffffe0056d55670
rbp         0xfffffe0056d55690
rsi                          0
rdi         0xffffffff8165f409  printf+0x149
r8                           0
r9                  0xffffffff
r10                        0x1
r11                       0x2f
r12         0xfffffe0007821780
r13         0xfffffffffffffffd
r14         0xffffffff82832260  .str.27
r15                          0
rip         0xffffffff816487ee  kdb_enter+0x6e
rflags                    0x46
k