kernel panic at kern/arch/x86/trap.c:640, from core 0: Damn Damn!  Unhandled trap in the kernel!
HW TRAP frame at 0xfffffff0010587a0 on core 0
  rax  0x0000000000000400
  rbx  0xffff800014f1bac0
  rcx  0xffff800006ae8000
  rdx  0x0000000000000000
  rbp  0xfffffff0010588b8
  rsi  0x0000000020000100
  rdi  0xffff800014f1bac0
  r8   0x0000000000000000
  r9   0x0000000000000002
  r10  0x000000000000000a
  r11  0x0000000000000000
  r12  0x0000000020000100
  r13  0x0000000000000000
  r14  0xfffffff001058900
  r15  0xffff80000218de81
  trap 0x00000000 Divide error
  gsbs 0xffffffffc8f79b00
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc2007c8e
  cs   0x------------0008
  flag 0x0000000000010216
  rsp  0xfffffff001058868
  ss   0x------------0010
Backtrace of kernel context on Core 0:
#01 [<0xffffffffc2007c8e>] in send_event at src/event.c:395
#02 [<0xffffffffc20086f4>] in fire_tap at src/fdtap.c:182
#03 [<0xffffffffc201686b>] in fire_data_taps at src/net/devip.c:1560
#04 [<0xffffffffc20168ba>] in ip_wake_cb at src/net/devip.c:1577
#05 [<     [inline]     >] in qwake_cb at src/ns/qio.c:103
#05 [<0xffffffffc203d435>] in qhangup at src/ns/qio.c:1709
#06 [<0xffffffffc2029902>] in tcpsetstate at src/net/tcp.c:141
#07 [<0xffffffffc202f796>] in tcpiput at src/net/tcp.c:2647
#08 [<0xffffffffc201e902>] in ipiput4 at src/net/ip.c:543
#09 [<0xffffffffc201acc1>] in etherread4 at src/net/ethermedium.c:457
#10 [<0xffffffffc200b994>] in __ktask_wrapper at src/kthread.c:292
#11 [<0xffffffffc205bfed>] in process_routine_kmsg at src/trap.c:241
#12 [<0xffffffffc205597e>] in __smp_idle at src/smp.c:78
Which cores are provisioned to which procs:
--------------
Core 00, prov: 0(0x0000000000000000) alloc: 0(0x0000000000000000)
Core 01, prov: 0(0x0000000000000000) alloc: 0(0x0000000000000000)
Core 02, prov: 0(0x0000000000000000) alloc: 0(0x0000000000000000)
Core 03, prov: 0(0x0000000000000000) alloc: 149(0xffff800014f23ac0)