new rip bfd code crashes rip every time

[donaldsharp]

rip_bfd_topo1 test crashes every time for me:
[New LWP 54258]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/lib/frr/ripd --command-log-always --log file:ripd.log --log-level debug -d'.
Program terminated with signal SIGABRT, Aborted.
#0 raise (sig=) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 raise (sig=) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007fcba0b7a1e2 in core_handler (signo=6, siginfo=0x7ffcecdfccb0, context=0x7ffcecdfcb80) at lib/sigevent.c:246
#2
#3 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#4 0x00007fcba085a859 in __GI_abort () at abort.c:79
#5 0x00007fcba0bba909 in _zlog_assert_failed (xref=0x7fcba0c6d3a0 <_xref.9793>, extra=0x0) at lib/zlog.c:689
#6 0x00007fcba0b32f82 in mt_count_free (mt=0x5644777f8240 <MTYPE_TMP>, ptr=0x564477d3e760) at lib/memory.c:73
#7 0x00007fcba0b331d0 in qfree (mt=0x5644777f8240 <MTYPE_TMP>, ptr=0x564477d3e760) at lib/memory.c:129
#8 0x00005644777c4d5d in rip_interface_reset (ri=0x564477d3ef30) at ripd/rip_interface.c:460
#9 0x00005644777c6523 in rip_interface_delete_hook (ifp=0x564477d3ee10) at ripd/rip_interface.c:1130
#10 0x00007fcba0b110c1 in hook_call_if_del (ifp=0x564477d3ee10) at lib/if.c:46
#11 0x00007fcba0b117f4 in if_delete_retain (ifp=0x564477d3ee10) at lib/if.c:251
#12 0x00007fcba0b1192a in if_delete (ifp=0x7ffcecdfd480) at lib/if.c:271
#13 0x00007fcba0b13c30 in if_terminate (vrf=0x564477c928e0) at lib/if.c:1032
#14 0x00007fcba0b98791 in vrf_terminate_single (vrf=0x564477c928e0) at lib/vrf.c:514
#15 0x00007fcba0b98890 in vrf_terminate () at lib/vrf.c:543
#16 0x00005644777d6982 in rip_vrf_terminate () at ripd/ripd.c:3601
#17 0x00005644777c6ccf in sigint () at ripd/rip_main.c:71
#18 0x00007fcba0b79f35 in frr_sigevent_process () at lib/sigevent.c:115
#19 0x00007fcba0b93c1d in event_fetch (m=0x564477aa8830, fetch=0x7ffcecdfd5c0) at lib/event.c:1761
#20 0x00007fcba0b20f55 in frr_run (master=0x564477aa8830) at lib/libfrr.c:1184
#21 0x00005644777c6e22 in main (argc=7, argv=0x7ffcecdfd7d8) at ripd/rip_main.c:171
(gdb)

I am not including anything else since this crash happens no matter what.