mert nem valid az OP json-ja (hianyzik a [] es a ,.
igy valid:
[{"network_port": "Port 4", "status": "Unknown", "port_description": "HPE FlxFbrc 10Gb 4p 536FLR-T Adptr", "location": "Embedded", "mac_address": "f4:03:43:9f:a6:66", "ip_address": "N/A"},{"network_port": "Port 1", "status": "OK", "port_description": "HPE FlxFbrc 10Gb 4p 536FLR-T Adptr", "location": "Embedded", "mac_address": "f4:03:43:9f:a6:60", "ip_address": "N/A"},{"network_port": "Port 3", "status": "Unknown", "port_description": "HPE FlxFbrc 10Gb 4p 536FLR-T Adptr", "location": "Embedded", "mac_address": "f4:03:43:9f:a6:64", "ip_address": "N/A"},{"network_port": "Port 2", "status": "OK", "port_description": "HPE FlxFbrc 10Gb 4p 536FLR-T Adptr", "location": "Embedded", "mac_address": "f4:03:43:9f:a6:62", "ip_address": "N/A"}]
t