An IPv4 address specified as the remote node address. When the type
of the segment specifies only the remote address, no other addresses
are specified. When the type of the segment requires a local address,
this leaf specifies the remote IPv4 address.The following expression must be true for this to be instantiated "../type = 'IPV4_NODE_ADDRESS' or ../type='../IPV4_ADDRESS_INDEX'or ../type='IPV4_LOCAL_INTF_ID' or ../type='IPV4_LOCAL_REMOTE_ADDR'"