feature/2005/upf core dumped

[CnaZhao]

Hello：
I checkout branch master.

root@ubuntu:/home/vpp_2005_release/vpp# git branch -a

• feature/2005/upf
  remotes/origin/HEAD -> origin/feature/2005/upf
  remotes/origin/alpine
  remotes/origin/backup/feature/1908/upf
  remotes/origin/backup/feature/1908/upf-20191107

#make install-dep
#make build_release
Then i run it ,but core dumped!
root@ubuntu:/home/vpp_2005_release/vpp# /bin/rm -f /dev/shm/db /dev/shm/global_vm /dev/shm/vpe-api
root@ubuntu:/home/vpp_2005_release/vpp# /sbin/modprobe vfio-pci
root@ubuntu:/home/vpp_2005_release/vpp# cd build-root/install-vpp-native/vpp/bin/

root@ubuntu:/home/vpp_2005_release/vpp/build-root/install-vpp-native/vpp/bin# ./vpp -c /etc/vpp/startup.conf
./vpp[26882]: clib_elf_parse_file: open `linux-vdso.so.1': No such file or directory
./vpp[26882]: vlib_sort_init_exit_functions:161: order constraint fcn 'dns_init' not found
./vpp[26882]: vnet_feature_arc_init:272: feature node 'acl-plugin-out-ip6-fa' not found (before 'ip6-dvr-reinject', arc 'ip6-output')
./vpp[26882]: vnet_feature_arc_init:272: feature node 'nat44-in2out-output' not found (before 'ip4-dvr-reinject', arc 'ip4-output')
./vpp[26882]: vnet_feature_arc_init:272: feature node 'acl-plugin-out-ip4-fa' not found (before 'ip4-dvr-reinject', arc 'ip4-output')
./vpp[26882]: received signal SIGSEGV, PC 0x7f0202e17d87, faulting address 0x0
./vpp[26882]: #0 0x00007f0203a024c5 unix_signal_handler + 0x195
./vpp[26882]: #1 0x00007f02032588a0 0x7f02032588a0
./vpp[26882]: #2 0x00007f0202e17d87 tw_timer_start_1t_3w_1024sl_ov + 0x17
./vpp[26882]: #3 0x00007f020399abcd dispatch_process + 0x3bd
./vpp[26882]: #4 0x00007f020531ba16 session_node_enable_disable + 0x286
./vpp[26882]: #5 0x00007f020531cd73 vnet_session_enable_disable + 0xc43
./vpp[26882]: #6 0x00007f00ff33b15b upf_proxy_main_init + 0xcb
./vpp[26882]: #7 0x00007f00ff2ec354 upf_init + 0x2d4
./vpp[26882]: #8 0x00007f020398c3ae vlib_call_all_init_functions + 0x6e
./vpp[26882]: #9 0x00007f020399e493 vlib_main + 0x243
./vpp[26882]: #10 0x00007f0203a01e66 thread0 + 0x26
./vpp[26882]: #11 0x00007f0202de8404 0x7f0202de8404
Aborted (core dumped)
THS!