kernel panic at kern/arch/x86/trap.c:628, from core 0: Damn Damn!  Unhandled trap in the kernel!
HW TRAP frame at 0xfffffff0000527a0 on core 0
  rax  0x0000000000000101
  rbx  0xffff80000217dc00
  rcx  0xffff800008d22000
  rdx  0x0000000000000000
  rbp  0xfffffff0000528b8
  rsi  0x0000000020000480
  rdi  0xffff80000217dc00
  r8   0x0000000000000000
  r9   0x0000000000000001
  r10  0x000000000000000a
  r11  0x0000000000000000
  r12  0x0000000020000480
  r13  0x0000000000000000
  r14  0xfffffff000052900
  r15  0xffff80000218fa01
  trap 0x00000000 Divide error
  gsbs 0xffffffffc8f2cb00
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc20076ae
  cs   0x------------0008
  flag 0x0000000000010202
  rsp  0xfffffff000052868
  ss   0x------------0010
Backtrace of kernel context on Core 0:
#01 [<0xffffffffc20076ae>] in send_event at src/event.c:395
#02 [<0xffffffffc2008114>] in fire_tap at src/fdtap.c:182
#03 [<0xffffffffc20162ab>] in fire_data_taps at src/net/devip.c:1560
#04 [<0xffffffffc20162fa>] in ip_wake_cb at src/net/devip.c:1577
#05 [<     [inline]     >] in qwake_cb at src/ns/qio.c:103
#05 [<0xffffffffc203ce75>] in qhangup at src/ns/qio.c:1709
#06 [<0xffffffffc2029342>] in tcpsetstate at src/net/tcp.c:141
#07 [<0xffffffffc202f1d6>] in tcpiput at src/net/tcp.c:2647
#08 [<0xffffffffc201e342>] in ipiput4 at src/net/ip.c:543
#09 [<0xffffffffc201a701>] in etherread4 at src/net/ethermedium.c:457
#10 [<0xffffffffc200b3f4>] in __ktask_wrapper at src/kthread.c:292
#11 [<0xffffffffc205b90d>] in process_routine_kmsg at src/trap.c:241
#12 [<0xffffffffc205527e>] in __smp_idle at src/smp.c:78