sshで繋げられなかった

simple.json

{ "AWSTemplateFormatVersion" : "2010-09-09",
  "Description"              : "test",
  "Mappings" : {
      "RegionMap" : {
          "us-east-1"      : { "AMI" : "ami-2f726546" },
          "us-west-1"      : { "AMI" : "ami-84f1cfc1" },
          "us-west-2"      : { "AMI" : "ami-b8f69f88" },
          "eu-west-1"      : { "AMI" : "ami-a921dfde" },
          "ap-southeast-1" : { "AMI" : "ami-787c2c2a" },
          "ap-southeast-2" : { "AMI" : "ami-0bc85031" },
          "ap-northeast-1" : { "AMI" : "ami-a1bec3a0" },
          "sa-east-1"      : { "AMI" : "ami-89de7c94" }
      }
  },
  "Resources" : {
      "testVpc" : {
          "Type"       : "AWS::EC2::VPC",
          "Properties" : {
              "CidrBlock"          : "192.168.0.0/24",
              "EnableDnsSupport"   : "true",
              "EnableDnsHostnames" : "false",
              "InstanceTenancy"    : "default",
              "Tags"               : [ { "Key": "Name",        "Value" : "test" },
                                       { "Key": "Description", "Value" : "this is test." } ]
          }
      },
      "testVpcSecurityGroup" : {
          "Type" : "AWS::EC2::SecurityGroup",
          "Properties" : {
              "GroupDescription"     : "enable ssh access via port 22",
              "SecurityGroupEgress"  : [ { "IpProtocol" : "tcp", "FromPort" : "0",  "ToPort" : "65535", "CidrIp" : "0.0.0.0/0" } ],
              "SecurityGroupIngress" : [ { "IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22",    "CidrIp" : "0.0.0.0/0" } ],
              "VpcId"                : { "Ref" : "testVpc" },
              "Tags"                 : [ { "Key": "Name", "Value" : "test" } ]
          }
      },
      "testInternetGateway" : {
          "Type" : "AWS::EC2::InternetGateway",
          "Properties" : {
              "Tags" : [ { "Key" : "Name", "Value" : "test" } ]
          }
      },
      "attachGateway" : {
          "Type" : "AWS::EC2::VPCGatewayAttachment",
          "Properties" : {
              "VpcId"             : { "Ref" : "testVpc" },
              "InternetGatewayId" : { "Ref" : "testInternetGateway" }
          }
      },
      "testRouteTable" : {
          "Type" : "AWS::EC2::RouteTable",
          "Properties" : {
              "VpcId" : { "Ref" : "testVpc" },
              "Tags"  : [ { "Key": "Name", "Value" : "test" } ]
          }
      },
      "testRoute" : {
          "Type" : "AWS::EC2::Route",
          "Properties" : {
              "DestinationCidrBlock" : "0.0.0.0/0",
              "GatewayId"    : { "Ref" : "testInternetGateway" },
              "RouteTableId" : { "Ref" : "testRouteTable" }
          }
      },
      "testSubnet0" : {
          "Type" : "AWS::EC2::Subnet",
          "Properties" : {
              "AvailabilityZone" : { "Fn::Select" : [ "0" , { "Fn::GetAZs" : { "Ref" : "AWS::Region" }}]},
              "CidrBlock"        : "192.168.0.0/24",
              "Tags"             : [ { "Key": "Name", "Value" : "test" } ],
              "VpcId"            : { "Ref" : "testVpc" }
          }
      },
      "testNetworkInterface" : {
          "Type" : "AWS::EC2::NetworkInterface",
          "Properties" : {
              "Description"      : "test eni",
              "GroupSet"         : [ { "Ref" : "testVpcSecurityGroup" } ],
              "PrivateIpAddress" : "192.168.0.10",
              "SourceDestCheck"  : "false",
              "SubnetId"         : { "Ref" : "testSubnet0" },
              "Tags"             : [ { "Key" : "Name", "Value" : "test" } ]
          }
      },
      "testElasticIP" : {
          "Type" : "AWS::EC2::EIP",
          "Properties" : {
              "Domain"     : "vpc"
          }
      },
      "testEipAssociation" : {
          "Type" : "AWS::EC2::EIPAssociation",
          "Properties" : {
              "AllocationId"       : { "Fn::GetAtt" : [ "testElasticIP", "AllocationId" ]},
              "NetworkInterfaceId" : { "Ref" : "testNetworkInterface" }
          }
      },
      "testServer0" : {
          "Type" : "AWS::EC2::Instance",
          "Properties" : {
              "AvailabilityZone"  : { "Fn::Select" : [ "0" , { "Fn::GetAZs" : { "Ref" : "AWS::Region" }}]},
              "ImageId"           : { "Fn::FindInMap" : ["RegionMap", { "Ref" : "AWS::Region" }, "AMI" ]},
              "InstanceType"      : "t1.micro",
              "KeyName"           : { "Fn::Join" : [ "", [ "test", "-", { "Ref" : "AWS::Region" }]]},
              "SubnetId"          : { "Ref" : "testSubnet0" },
              "Monitoring"        : "true"
          }
      },
      "NetworkInterfaceAttachment" : {
          "Type" : "AWS::EC2::NetworkInterfaceAttachment",
          "Properties" : {
              "InstanceId"         : {"Ref" : "testServer0"},
              "NetworkInterfaceId" : {"Ref" : "testNetworkInterface"},
              "DeviceIndex"        : "1"
          }
      }
  }
}