VPP_REPO_URL=https://github.com/vpp-dev/vpp.git

VPP_BRANCH_NAME=stable-1807-contiv

VPP_COMMIT_ID=41a6f129201af60d4358b5693c39fd3584184ece

kubectl exec -n default olcsxo – wget -q -O - -T 30 http://10.20.0.2:32616/ http://10.20.0.10:32616/ http://10.20.0.11:32616/http://10.20.0.12:32616/

Packet 6:
21:46:13:716349: virtio-input
  virtio: hw_if_index 14 next-index 4 vring 0 len 74
    hdr: flags 0x00 gso_type 0x00 hdr_len 0 gso_size 0 csum_start 0 csum_offset 0 num_buffers 1
21:46:13:716356: ethernet-input
  IP4: 00:00:00:00:00:02 -> 02:fe:54:5d:89:02
21:46:13:716360: ip4-input
  TCP: 10.1.4.181 -> 10.20.0.10
    tos 0x00, ttl 64, length 60, checksum 0x7c64
    fragment id 0xa584, flags DONT_FRAGMENT
  TCP: 46234 -> 32616
    seq. 0x5f7536e5 ack 0x00000000
    flags 0x02 SYN, tcp header: 40 bytes
    window 28200, checksum 0x6005
21:46:13:716364: nat44-ed-out2in
  NAT44_OUT2IN_FAST_PATH: sw_if_index 14, next index 1, session 2292
21:46:13:716370: ip4-lookup
  fib 1 dpo-idx 19 flow hash: 0x00000000
  TCP: 10.1.4.254 -> 10.1.4.181
    tos 0x00, ttl 64, length 60, checksum 0x7783
    fragment id 0xa584, flags DONT_FRAGMENT
  TCP: 12656 -> 31313
    seq. 0x5f7536e5 ack 0x00000000
    flags 0x02 SYN, tcp header: 40 bytes
    window 28200, checksum 0xe365
21:46:13:716374: ip4-rewrite
  tx_sw_if_index 14 dpo-idx 19 : ipv4 via 10.1.4.181 tap1: mtu:1450 00000000000202fe545d89020800 flow hash: 0x00000000
  00000000: 00000000000202fe545d890208004500003ca58440003f0678830a0104fe0a01
  00000020: 04b531707a515f7536e500000000a0026e28e3650000020405820402
21:46:13:716376: tap1-output
  tap1
  IP4: 02:fe:54:5d:89:02 -> 00:00:00:00:00:02
  TCP: 10.1.4.254 -> 10.1.4.181
    tos 0x00, ttl 63, length 60, checksum 0x7883
    fragment id 0xa584, flags DONT_FRAGMENT
  TCP: 12656 -> 31313
    seq. 0x5f7536e5 ack 0x00000000
    flags 0x02 SYN, tcp header: 40 bytes
    window 28200, checksum 0xe365

Packet 7:
21:46:13:716349: virtio-input
  virtio: hw_if_index 14 next-index 4 vring 0 len 74
    hdr: flags 0x00 gso_type 0x00 hdr_len 0 gso_size 0 csum_start 0 csum_offset 0 num_buffers 1
21:46:13:716356: ethernet-input
  IP4: 00:00:00:00:00:02 -> 02:fe:54:5d:89:02
21:46:13:716360: ip4-input
  TCP: 10.1.4.181 -> 10.1.4.254
    tos 0x00, ttl 64, length 60, checksum 0x1d08
    fragment id 0x0000, flags DONT_FRAGMENT
  TCP: 31313 -> 12656
    seq. 0x5093ad37 ack 0x5f7536e6
    flags 0x12 SYN ACK, tcp header: 40 bytes
    window 27960, checksum 0x50a0
21:46:13:716364: nat44-ed-out2in
  NAT44_OUT2IN_FAST_PATH: sw_if_index 14, next index 4, session -1
21:46:13:716372: nat44-ed-out2in-slowpath
  NAT44_OUT2IN_SLOW_PATH: sw_if_index 14, next index 1, session -1
21:46:13:716375: ip4-lookup
  fib 1 dpo-idx 0 flow hash: 0x00000000
  TCP: 10.1.4.181 -> 10.1.4.254
    tos 0x00, ttl 64, length 60, checksum 0x1d08
    fragment id 0x0000, flags DONT_FRAGMENT
  TCP: 31313 -> 12656
    seq. 0x5093ad37 ack 0x5f7536e6
    flags 0x12 SYN ACK, tcp header: 40 bytes
    window 27960, checksum 0x50a0
21:46:13:716378: ip4-drop
    TCP: 10.1.4.181 -> 10.1.4.254
      tos 0x00, ttl 64, length 60, checksum 0x1d08
      fragment id 0x0000, flags DONT_FRAGMENT
    TCP: 31313 -> 12656
      seq. 0x5093ad37 ack 0x5f7536e6
      flags 0x12 SYN ACK, tcp header: 40 bytes
      window 27960, checksum 0x50a0
21:46:13:716395: error-drop
  ethernet-input: no error

3447691:time="2018-08-09 20:54:37.91134" level=error msg="DNAT static mapping configuration failed: nat44_add_del_static_mapping_reply returned 1" loc="ifplugin/nat_config.go(647)" logger=vpp-nat-conf
3447705:time="2018-08-09 20:54:37.94461" level=error msg="Failed to configure static mapping for DNAT default/olcsxos58mfo: DNAT static mapping configuration failed: nat44_add_del_static_mapping_reply returned 1" loc="ifplugin/nat_config.go(317)" logger=vpp-nat-conf
3447709:time="2018-08-09 20:54:37.94505" level=error msg="DNAT static mapping configuration failed: nat44_add_del_static_mapping_reply returned 1" loc="syncbase/done.go(40)" logger=defaultLogger