Thread 4 "vpp_wk_1" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff2745a700 (LWP 2841)]
0x00007fffb59919e2 in clib_bitmap_get (i=<optimized out>, ai=<optimized out>)
    at /home/khers/vpp/build-data/../src/vppinfra/bitmap.h:201
201	/home/khers/vpp/build-data/../src/vppinfra/bitmap.h: No such file or directory.
(gdb) bt
#0  0x00007fffb59919e2 in clib_bitmap_get (i=<optimized out>, ai=<optimized out>)
    at /home/khers/vpp/build-data/../src/vppinfra/bitmap.h:201
#1  get_session_ptr (am=<optimized out>, session_index=<optimized out>,
    thread_index=<optimized out>) at /home/khers/vpp/build-data/../src/plugins/acl/fa_node.c:626
#2  acl_fa_node_fn (acl_fa_node=0x7fffb5b9bb80 <acl_out_l2_ip4_node>,
    l2_feat_next_node_index=<optimized out>, is_l2_path=1, is_input=0, is_ip6=0,
    frame=0x7fffb6791180, node=0x7fffb716cdf8, vm=0x7fffb6d9daa0)
    at /home/khers/vpp/build-data/../src/plugins/acl/fa_node.c:1031
#3  acl_out_ip4_l2_node_fn (vm=0x7fffb6d9daa0, node=0x7fffb716cdf8, frame=0x7fffb6791180)
    at /home/khers/vpp/build-data/../src/plugins/acl/fa_node.c:1198
#4  0x00007ffff7952bd4 in dispatch_node (last_time_stamp=51092582064996, frame=0x7fffb6791180,
    dispatch_state=VLIB_NODE_STATE_POLLING, type=VLIB_NODE_TYPE_INTERNAL, node=0x7fffb716cdf8,
    vm=0x7fffb6d9daa0) at /home/khers/vpp/build-data/../src/vlib/main.c:1011
#5  dispatch_pending_node (vm=vm@entry=0x7fffb6d9daa0,
    pending_frame_index=pending_frame_index@entry=6, last_time_stamp=51092582064996)
    at /home/khers/vpp/build-data/../src/vlib/main.c:1161
#6  0x00007ffff79538f7 in vlib_main_or_worker_loop (is_main=0, vm=0x7fffb6d9daa0)
    at /home/khers/vpp/build-data/../src/vlib/main.c:1622
#7  vlib_worker_loop (vm=0x7fffb6d9daa0) at /home/khers/vpp/build-data/../src/vlib/main.c:1647
#8  0x00007ffff6f1edc8 in clib_calljmp ()
    at /home/khers/vpp/build-data/../src/vppinfra/longjmp.S:110
#9  0x00007fff27459db0 in ?? ()
#10 0x00007fffb51095cd in eal_thread_loop (arg=<optimized out>)
    at /home/khers/vpp/build-root/build-vpp-native/dpdk/dpdk-17.08/lib/librte_eal/linuxapp/eal/eal_thread.c:183
#11 0x0000000000000000 in ?? ()