Networking is not working with OVS bridges

Network scheme

{"endpoints"=>
  {"br-ex"=>
    {"IP"=>["10.109.18.6/24"],
     "gateway"=>"10.109.18.1",
     "vendor_specific"=>{"provider_gateway"=>"10.109.18.1"}},
   "br-floating"=>{"IP"=>"none"},
   "br-fw-admin"=>
    {"IP"=>["10.109.15.3/24"],
     "vendor_specific"=>{"provider_gateway"=>"10.109.15.1"}},
   "br-mgmt"=>{"IP"=>["192.168.0.5/24"]},
   "br-prv"=>{"IP"=>"none"},
   "br-storage"=>{"IP"=>["192.168.1.3/24"]}},
 "interfaces"=>
  {"enp0s3"=>
    {"ethtool"=>{"offload"=>{}},
     "vendor_specific"=>{"bus_info"=>"0000:00:03.0", "driver"=>"e1000"}},
   "enp0s4"=>
    {"ethtool"=>{"offload"=>{}},
     "vendor_specific"=>{"bus_info"=>"0000:00:04.0", "driver"=>"e1000"}},
   "enp0s5"=>
    {"ethtool"=>{"offload"=>{}},
     "vendor_specific"=>{"bus_info"=>"0000:00:05.0", "driver"=>"e1000"}},
   "enp0s6"=>
    {"ethtool"=>{"offload"=>{}},
     "vendor_specific"=>{"bus_info"=>"0000:00:06.0", "driver"=>"e1000"}},
   "enp0s7"=>
    {"ethtool"=>{"offload"=>{}},
     "vendor_specific"=>{"bus_info"=>"0000:00:07.0", "driver"=>"e1000"}}},
 "provider"=>"lnx",
 "roles"=>
  {"admin/pxe"=>"br-fw-admin",
   "aodh/api"=>"br-mgmt",
   "ceilometer/api"=>"br-mgmt",
   "ceph/public"=>"br-storage",
   "ceph/radosgw"=>"br-ex",
   "ceph/replication"=>"br-storage",
   "cinder/api"=>"br-mgmt",
   "cinder/iscsi"=>"br-storage",
   "ex"=>"br-ex",
   "fw-admin"=>"br-fw-admin",
   "glance/api"=>"br-mgmt",
   "glance/glare"=>"br-mgmt",
   "heat/api"=>"br-mgmt",
   "horizon"=>"br-mgmt",
   "ironic/api"=>"br-mgmt",
   "keystone/api"=>"br-mgmt",
   "management"=>"br-mgmt",
   "mgmt/corosync"=>"br-mgmt",
   "mgmt/database"=>"br-mgmt",
   "mgmt/memcache"=>"br-mgmt",
   "mgmt/messaging"=>"br-mgmt",
   "mgmt/vip"=>"br-mgmt",
   "mongo/db"=>"br-mgmt",
   "murano/api"=>"br-mgmt",
   "murano/cfapi"=>"br-mgmt",
   "neutron/api"=>"br-mgmt",
   "neutron/floating"=>"br-floating",
   "neutron/private"=>"br-prv",
   "nova/api"=>"br-mgmt",
   "nova/migration"=>"br-mgmt",
   "public/vip"=>"br-ex",
   "sahara/api"=>"br-mgmt",
   "storage"=>"br-storage",
   "swift/api"=>"br-mgmt",
   "swift/replication"=>"br-storage"},
 "transformations"=>
  [{"action"=>"add-br", "name"=>"br-fw-admin", "provider"=>"ovs"},
   {"action"=>"add-br", "name"=>"br-mgmt", "provider"=>"ovs"},
   {"action"=>"add-br", "name"=>"br-storage", "provider"=>"ovs"},
   {"action"=>"add-br", "name"=>"br-ex", "provider"=>"ovs"},
   {"action"=>"add-br", "name"=>"br-floating", "provider"=>"ovs"},
   {"action"=>"add-patch",
    "bridges"=>["br-floating", "br-ex"],
    "mtu"=>65000,
    "provider"=>"ovs"},
   {"action"=>"add-br", "name"=>"br-prv", "provider"=>"ovs"},
   {"action"=>"add-patch",
    "bridges"=>["br-prv", "br-fw-admin"],
    "mtu"=>65000,
    "provider"=>"ovs"},
   {"action"=>"add-port", "bridge"=>"br-fw-admin", "name"=>"enp0s3"},
   {"action"=>"add-port", "bridge"=>"br-mgmt", "name"=>"enp0s3.101"},
   {"action"=>"add-port", "bridge"=>"br-storage", "name"=>"enp0s3.102"},
   {"action"=>"add-port", "bridge"=>"br-ex", "name"=>"enp0s4"}],
 "version"=>"1.1"}

ovs-vsctl show

root@node-6:~# ovs-vsctl show
bf8b8f19-0176-4fc0-8211-a8f2d9557c24
    Bridge br-prv
        Port br-prv
            Interface br-prv
                type: internal
        Port "p_eeee51a2-1"
            Interface "p_eeee51a2-1"
                type: patch
                options: {peer="p_eeee51a2-0"}
    Bridge br-mgmt
        Port "enp0s3.101"
            tag: 101
            Interface "enp0s3.101"
                type: internal
        Port v_management
            Interface v_management
        Port br-mgmt
            Interface br-mgmt
                type: internal
        Port v_vrouter
            Interface v_vrouter
    Bridge br-fw-admin
        Port br-fw-admin
            Interface br-fw-admin
                type: internal
        Port "enp0s3"
            Interface "enp0s3"
        Port "p_eeee51a2-0"
            Interface "p_eeee51a2-0"
                type: patch
                options: {peer="p_eeee51a2-1"}
    Bridge br-floating
        Port "p_ff798dba-1"
            Interface "p_ff798dba-1"
                type: patch
                options: {peer="p_ff798dba-0"}
        Port br-floating
            Interface br-floating
                type: internal
    Bridge br-ex
        Port br-ex
            Interface br-ex
                type: internal
        Port v_vrouter_pub
            Interface v_vrouter_pub
        Port "enp0s4"
            Interface "enp0s4"
        Port v_public
            Interface v_public
        Port "p_ff798dba-0"
            Interface "p_ff798dba-0"
                type: patch
                options: {peer="p_ff798dba-1"}
    Bridge br-storage
        Port br-storage
            Interface br-storage
                type: internal
        Port "enp0s3.102"
            tag: 102
            Interface "enp0s3.102"
                type: internal
    ovs_version: "2.6.1"

https://drive.google.com/open?id=0ByBwUBq5EbLEUjcxVlZ0R2JnQW8