Instances are not accessible via networks

Can not ping or access via ssh instances by floating IP from controller node.
Also can not ping ironic instance by floating IP from controller and by baremetal IP from conductor node.

Steps for Nova instance:
1. Boot TestVM by usual way, link it to admin internal network.
2. Add security rules:
nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
3. Assign floating IP to instance.
4. Try to ping instance from Controller:
ping 172.16.51.78
PING 172.16.51.78 (172.16.51.78) 56(84) bytes of data.
From 172.16.51.78 icmp_seq=1 Destination Host Unreachable
The same with ssh:
ssh: connect to host 172.16.51.78 port 22: No route to host

Settings:
Cluster: 1 Controller, 1 Compute, 1 Ironic.
Network verification passed successfully.
Network: Neutron with VLAN segmentation

VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "8.0"
  api: "1.0"
  build_number: "478"
  build_id: "478"
  fuel-nailgun_sha: "ae949905142507f2cb446071783731468f34a572"
  python-fuelclient_sha: "4f234669cfe88a9406f4e438b1e1f74f1ef484a5"
  fuel-agent_sha: "481ed135de2cb5060cac3795428625befdd1d814"
  fuel-nailgun-agent_sha: "b2bb466fd5bd92da614cdbd819d6999c510ebfb1"
  astute_sha: "b81577a5b7857c4be8748492bae1dec2fa89b446"
  fuel-library_sha: "420c6fa5f8cb51f3322d95113f783967bde9836e"
  fuel-ostf_sha: "ab5fd151fc6c1aa0b35bc2023631b1f4836ecd61"
  fuel-mirror_sha: "b62f3cce5321fd570c6589bc2684eab994c3f3f2"
  fuelmenu_sha: "fac143f4dfa75785758e72afbdc029693e94ff2b"
  shotgun_sha: "63645dea384a37dde5c01d4f8905566978e5d906"
  network-checker_sha: "9f0ba4577915ce1e77f5dc9c639a5ef66ca45896"
  fuel-upgrade_sha: "616a7490ec7199f69759e97e42f9b97dfc87e85b"
  fuelmain_sha: "6c6b088a3d52dd0eaf43d59f3a3a149c93a07e7e"

Diagnostic snapshot link: https://drive.google.com/a/mirantis.com/file/d/0B6E70aHvCcRQcHluSC1saHlLQm8/view?usp=sharing