[Bug] EHOSTUNREACH 192.168.0.27:80 (device SHSW-1 25A2CB, at 192.168.0.27)
**Describe the bug**
Plugin finds the Shellys, but states cant be set

**Log output**
22/06/2021, 21:45:32HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:32HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.27:80 (device SHSW-1 25A2CB, at 192.168.0.27)
22/06/2021, 21:45:36HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:36HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.70:80 (device SHSW-25 40F5202A70DE, at 192.168.0.70)
22/06/2021, 21:45:36HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:36HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.185:80 (device SHSW-25 40F52000270F, at 192.168.0.185)
22/06/2021, 21:45:36HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:36HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.37:80 (device SHSW-25 40F520015259, at 192.168.0.37)
22/06/2021, 21:45:36HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:36HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.176:80 (device SHSW-25 40F520004DE4, at 192.168.0.176)
22/06/2021, 21:45:36HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:36HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.122:80 (device SHSW-25 40F52000D2D5, at 192.168.0.122)
22/06/2021, 21:45:39HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:39HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.228:80 (device SHSW-25 40F5202A4EC9, at 192.168.0.228)
22/06/2021, 21:45:39HOOBSShellyERRORFailed to load device settings
22/06/2021, 21:45:39HOOBSShellyERRORError: connect EHOSTUNREACH 192.168.0.251:80 (device SHSW-25 40F5202A776D, at 192.168.0.251)
22/06/2021, 21:45:39HOOBSShellyERRORFailed to load device settings

**Environment:**
 - Shelly device(s): Sw1, Duo, SW2.5
 - Plugin version: 0.18.0
 - Device running homebridge: Raspberry PI 3B, running hoobs
