core: homekit_controller expects serial number to actually be unique and won't work if they aren't

The problem

Platform homekit_controller does not generate unique IDs. Not all sensors show up.

The device is a Sommer SomWeb to controll garage doors. It should report two doors but homeassistant just shows one of them.

What version of Home Assistant Core has the issue?

core-2021.11.5

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

HomeKit

Link to integration documentation on our website

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

cat homekit_controller-entity-map 
{
    "version": 1,
    "key": "homekit_controller-entity-map",
    "data": {
        "pairings": {
            "CF:A0:4D:F2:AF:13": {
                "config_num": 3,
                "accessories": [
                    {
                        "aid": 1,
                        "services": [
                            {
                                "type": "0000003E-0000-1000-8000-0026BB765291",
                                "iid": 1,
                                "characteristics": [
                                    {
                                        "iid": 3,
                                        "type": "00000020-0000-1000-8000-0026BB765291",
                                        "value": "SOMMER Antriebs- und Funktechnik GmbH",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Manufacturer"
                                    },
                                    {
                                        "iid": 4,
                                        "type": "00000021-0000-1000-8000-0026BB765291",
                                        "value": "SOMweb Hub",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Model"
                                    },
                                    {
                                        "iid": 5,
                                        "type": "00000023-0000-1000-8000-0026BB765291",
                                        "value": "SOMweb",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Name"
                                    },
                                    {
                                        "iid": 6,
                                        "type": "00000030-0000-1000-8000-0026BB765291",
                                        "value": "SN#E7C6323378F67045",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Serial Number"
                                    },
                                    {
                                        "iid": 7,
                                        "type": "00000014-0000-1000-8000-0026BB765291",
                                        "perms": [
                                            "pw"
                                        ],
                                        "format": "bool",
                                        "description": "Identify"
                                    },
                                    {
                                        "iid": 8,
                                        "type": "00000052-0000-1000-8000-0026BB765291",
                                        "value": "2.6.1",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Firmware Revision"
                                    },
                                    {
                                        "iid": 11,
                                        "type": "000000A6-0000-1000-8000-0026BB765291",
                                        "value": 1,
                                        "perms": [
                                            "pr",
                                            "ev"
                                        ],
                                        "format": "uint32",
                                        "description": "Accessory flags"
                                    }
                                ]
                            },
                            {
                                "type": "000000A2-0000-1000-8000-0026BB765291",
                                "iid": 60,
                                "characteristics": [
                                    {
                                        "iid": 62,
                                        "type": "00000037-0000-1000-8000-0026BB765291",
                                        "value": "1.1.0",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Protocol Version"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "aid": 10002,
                        "services": [
                            {
                                "type": "0000003E-0000-1000-8000-0026BB765291",
                                "iid": 1,
                                "characteristics": [
                                    {
                                        "iid": 3,
                                        "type": "00000020-0000-1000-8000-0026BB765291",
                                        "value": "SOMMER Antriebs- und Funktechnik GmbH",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Manufacturer"
                                    },
                                    {
                                        "iid": 4,
                                        "type": "00000021-0000-1000-8000-0026BB765291",
                                        "value": "SOMweb Hub",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Model"
                                    },
                                    {
                                        "iid": 5,
                                        "type": "00000023-0000-1000-8000-0026BB765291",
                                        "value": "Tor 2",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Name"
                                    },
                                    {
                                        "iid": 6,
                                        "type": "00000030-0000-1000-8000-0026BB765291",
                                        "value": "SN#E7C6323378F67045",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Serial Number"
                                    },
                                    {
                                        "iid": 7,
                                        "type": "00000014-0000-1000-8000-0026BB765291",
                                        "perms": [
                                            "pw"
                                        ],
                                        "format": "bool",
                                        "description": "Identify"
                                    },
                                    {
                                        "iid": 8,
                                        "type": "00000052-0000-1000-8000-0026BB765291",
                                        "value": "2.6.1",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Firmware Revision"
                                    }
                                ]
                            },
                            {
                                "type": "00000041-0000-1000-8000-0026BB765291",
                                "iid": 1498,
                                "primary": true,
                                "characteristics": [
                                    {
                                        "iid": 1500,
                                        "type": "0000000E-0000-1000-8000-0026BB765291",
                                        "value": 1,
                                        "perms": [
                                            "pr",
                                            "ev"
                                        ],
                                        "maxValue": 4,
                                        "minStep": 1,
                                        "minValue": 0,
                                        "format": "uint8",
                                        "description": "Current Door State"
                                    },
                                    {
                                        "iid": 1501,
                                        "type": "00000032-0000-1000-8000-0026BB765291",
                                        "value": 1,
                                        "perms": [
                                            "pr",
                                            "pw",
                                            "ev"
                                        ],
                                        "maxValue": 1,
                                        "minStep": 1,
                                        "minValue": 0,
                                        "format": "uint8",
                                        "description": "Target Door State"
                                    },
                                    {
                                        "iid": 1502,
                                        "type": "00000024-0000-1000-8000-0026BB765291",
                                        "value": false,
                                        "perms": [
                                            "pr",
                                            "ev"
                                        ],
                                        "format": "bool",
                                        "description": "Obstruction Detected"
                                    },
                                    {
                                        "iid": 1505,
                                        "type": "00000023-0000-1000-8000-0026BB765291",
                                        "value": "Tor 2",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Name"
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "aid": 10001,
                        "services": [
                            {
                                "type": "0000003E-0000-1000-8000-0026BB765291",
                                "iid": 1,
                                "characteristics": [
                                    {
                                        "iid": 3,
                                        "type": "00000020-0000-1000-8000-0026BB765291",
                                        "value": "SOMMER Antriebs- und Funktechnik GmbH",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Manufacturer"
                                    },
                                    {
                                        "iid": 4,
                                        "type": "00000021-0000-1000-8000-0026BB765291",
                                        "value": "SOMweb Hub",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Model"
                                    },
                                    {
                                        "iid": 5,
                                        "type": "00000023-0000-1000-8000-0026BB765291",
                                        "value": "Tor 1",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Name"
                                    },
                                    {
                                        "iid": 6,
                                        "type": "00000030-0000-1000-8000-0026BB765291",
                                        "value": "SN#E7C6323378F67045",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Serial Number"
                                    },
                                    {
                                        "iid": 7,
                                        "type": "00000014-0000-1000-8000-0026BB765291",
                                        "perms": [
                                            "pw"
                                        ],
                                        "format": "bool",
                                        "description": "Identify"
                                    },
                                    {
                                        "iid": 8,
                                        "type": "00000052-0000-1000-8000-0026BB765291",
                                        "value": "2.6.1",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Firmware Revision"
                                    }
                                ]
                            },
                            {
                                "type": "00000041-0000-1000-8000-0026BB765291",
                                "iid": 1498,
                                "primary": true,
                                "characteristics": [
                                    {
                                        "iid": 1500,
                                        "type": "0000000E-0000-1000-8000-0026BB765291",
                                        "value": 1,
                                        "perms": [
                                            "pr",
                                            "ev"
                                        ],
                                        "maxValue": 4,
                                        "minStep": 1,
                                        "minValue": 0,
                                        "format": "uint8",
                                        "description": "Current Door State"
                                    },
                                    {
                                        "iid": 1501,
                                        "type": "00000032-0000-1000-8000-0026BB765291",
                                        "value": 1,
                                        "perms": [
                                            "pr",
                                            "pw",
                                            "ev"
                                        ],
                                        "maxValue": 1,
                                        "minStep": 1,
                                        "minValue": 0,
                                        "format": "uint8",
                                        "description": "Target Door State"
                                    },
                                    {
                                        "iid": 1502,
                                        "type": "00000024-0000-1000-8000-0026BB765291",
                                        "value": false,
                                        "perms": [
                                            "pr",
                                            "ev"
                                        ],
                                        "format": "bool",
                                        "description": "Obstruction Detected"
                                    },
                                    {
                                        "iid": 1505,
                                        "type": "00000023-0000-1000-8000-0026BB765291",
                                        "value": "Tor 1",
                                        "perms": [
                                            "pr"
                                        ],
                                        "format": "string",
                                        "description": "Name"
                                    }
                                ]
                            }
                        ]
                    }
                ]
            }
        }
    }
}%

Additional information

No response