So after moving to 16.04, I ended up having this ASSERT coming up at boot.

[New Thread 0x7fff9dd8d700 (LWP 1613)]
/home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/timing_wheel.c:57 (get_level_and_relative_time) assertion `dt >= w->current_time_index' fails

Thread 1 "vpp_main" received signal SIGABRT, Aborted.
0x00007ffff55fb418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb)
(gdb)
(gdb) bt
#0 0x00007ffff55fb418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007ffff55fd01a in __GI_abort () at abort.c:89
#2 0x000000000040b594 in os_panic () at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vpp/vnet/main.c:300
#3 0x00007ffff623a9d5 in debugger () at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/error.c:81
#4 0x00007ffff623addd in _clib_error (how_to_die=2, function_name=0x0, line_number=0, fmt=0x7ffff62e54e0 "%s:%d (%s) assertion `%s' fails")
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/error.c:139
#5 0x00007ffff62acfb2 in get_level_and_relative_time (w=0xb21898 <vlib_global_main+376>, cpu_time=0, rtime_result=0x7fffc56c6bf8)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/timing_wheel.c:57
#6 0x00007ffff62ae119 in timing_wheel_insert_helper (w=0xb21898 <vlib_global_main+376>, insert_cpu_time=0, user_data=0)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/timing_wheel.c:216
#7 0x00007ffff62aebdd in timing_wheel_insert (w=0xb21898 <vlib_global_main+376>, insert_cpu_time=0, user_data=0)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/timing_wheel.c:302
#8 0x00007ffff74e5525 in dispatch_process (vm=0xb21720 <vlib_global_main>, p=0x7fffc51bd000, f=0x0, last_time_stamp=7991504848501325)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vlib/vlib/main.c:1266
#9 0x00007ffff74e613f in vlib_main_loop (vm=0xb21720 <vlib_global_main>)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vlib/vlib/main.c:1394
#10 0x00007ffff74e7159 in vlib_main (vm=0xb21720 <vlib_global_main>, input=0x7fffc56c6fb0)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vlib/vlib/main.c:1618
#11 0x00007ffff77824c9 in thread0 (arg=11671328) at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vlib/vlib/unix/main.c:425
#12 0x00007ffff625dd8c in clib_calljmp () at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vppinfra/vppinfra/longjmp.S:110
#13 0x00007fffffffd050 in ?? ()
#14 0x00007ffff778293d in vlib_unix_main (argc=27, argv=0x7fffffffe2d8)
at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vlib/vlib/unix/main.c:485
#15 0x000000000040b281 in main (argc=27, argv=0x7fffffffe2d8) at /home/ppfister/vpp-dev/build/open-vpp-mirror/build-data/../vpp/vnet/main.c:246