P: /devices/virtual/net/rmnet4
E: DEVPATH=/devices/virtual/net/rmnet4
E: ID_NET_NAME_MAC=enxda47d2c50a4c
E: IFINDEX=7
E: INTERFACE=rmnet4
E: SUBSYSTEM=net
E: USEC_INITIALIZED=497369
X: INTERFACE_MAC=da:47:d2:c5:0a:4c