ERROR: cve-update-db-1.0-r0 do_populate_cve_db: Error executing a python function in exec_python_func() autogenerated:

The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
     0001:
 *** 0002:do_populate_cve_db(d)
     0003:
File: '/yocto/poky/meta/recipes-core/meta/cve-update-db.bb', lineno: 47, function: do_populate_cve_db
     0043:        meta_url = year_url + ".meta"
     0044:        json_url = year_url + ".json.gz"
     0045:
     0046:        # Retrieve meta last modified date
 *** 0047:        with http.request('GET', meta_url, preload_content=False) as r:
     0048:            date_line = str(r.data.splitlines()[0])
     0049:            last_modified = re.search('lastModifiedDate:(.*)', date_line).group(1)
     0050:
     0051:        # Compare with current db last modified date
File: '/usr/lib/python3/dist-packages/urllib3/request.py', lineno: 69, function: request
     0065:
     0066:        if method in self._encode_url_methods:
     0067:            return self.request_encode_url(method, url, fields=fields,
     0068:                                           headers=headers,
 *** 0069:                                           **urlopen_kw)
     0070:        else:
     0071:            return self.request_encode_body(method, url, fields=fields,
     0072:                                            headers=headers,
     0073:                                            **urlopen_kw)
File: '/usr/lib/python3/dist-packages/urllib3/request.py', lineno: 90, function: request_encode_url
     0086:
     0087:        if fields:
     0088:            url += '?' + urlencode(fields)
     0089:
 *** 0090:        return self.urlopen(method, url, **extra_kw)
     0091:
     0092:    def request_encode_body(self, method, url, fields=None, headers=None,
     0093:                            encode_multipart=True, multipart_boundary=None,
     0094:                            **urlopen_kw):
File: '/usr/lib/python3/dist-packages/urllib3/poolmanager.py', lineno: 163, function: urlopen
     0159:
     0160:        if self.proxy is not None and u.scheme == "http":
     0161:            response = conn.urlopen(method, url, **kw)
     0162:        else:
 *** 0163:            response = conn.urlopen(method, u.request_uri, **kw)
     0164:
     0165:        redirect_location = redirect and response.get_redirect_location()
     0166:        if not redirect_location:
     0167:            return response
File: '/usr/lib/python3/dist-packages/urllib3/connectionpool.py', lineno: 630, function: urlopen
     0626:                        "broken by '%r': %s" % (retries, err, url))
     0627:            return self.urlopen(method, url, body, headers, retries,
     0628:                                redirect, assert_same_host,
     0629:                                timeout=timeout, pool_timeout=pool_timeout,
 *** 0630:                                release_conn=release_conn, **response_kw)
     0631:
     0632:        # Handle redirect?
     0633:        redirect_location = redirect and response.get_redirect_location()
     0634:        if redirect_location:
File: '/usr/lib/python3/dist-packages/urllib3/connectionpool.py', lineno: 630, function: urlopen
     0626:                        "broken by '%r': %s" % (retries, err, url))
     0627:            return self.urlopen(method, url, body, headers, retries,
     0628:                                redirect, assert_same_host,
     0629:                                timeout=timeout, pool_timeout=pool_timeout,
 *** 0630:                                release_conn=release_conn, **response_kw)
     0631:
     0632:        # Handle redirect?
     0633:        redirect_location = redirect and response.get_redirect_location()
     0634:        if redirect_location:
File: '/usr/lib/python3/dist-packages/urllib3/connectionpool.py', lineno: 630, function: urlopen
     0626:                        "broken by '%r': %s" % (retries, err, url))
     0627:            return self.urlopen(method, url, body, headers, retries,
     0628:                                redirect, assert_same_host,
     0629:                                timeout=timeout, pool_timeout=pool_timeout,
 *** 0630:                                release_conn=release_conn, **response_kw)
     0631:
     0632:        # Handle redirect?
     0633:        redirect_location = redirect and response.get_redirect_location()
     0634:        if redirect_location:
File: '/usr/lib/python3/dist-packages/urllib3/connectionpool.py', lineno: 610, function: urlopen
     0606:            elif isinstance(e, (SocketError, HTTPException)):
     0607:                e = ProtocolError('Connection aborted.', e)
     0608:
     0609:            retries = retries.increment(method, url, error=e, _pool=self,
 *** 0610:                                        _stacktrace=sys.exc_info()[2])
     0611:            retries.sleep()
     0612:
     0613:            # Keep track of the error for the retry warning.
     0614:            err = e
File: '/usr/lib/python3/dist-packages/urllib3/util/retry.py', lineno: 283, function: increment
     0279:            connect=connect, read=read, redirect=redirect,
     0280:            _observed_errors=_observed_errors)
     0281:
     0282:        if new_retry.is_exhausted():
 *** 0283:            raise MaxRetryError(_pool, url, error or ResponseError(cause))
     0284:
     0285:        log.debug("Incremented Retry for (url='%s'): %r" % (url, new_retry))
     0286:
     0287:        return new_retry
Exception: urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='nvd.nist.gov', port=443): Max retries exceeded with url: /feeds/json/cve/1.0/nvdcve-1.0-2002.meta (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f787f1a8908>: Failed to establish a new connection: [Errno -2] Name or service not known',))

ERROR: cve-update-db-1.0-r0 do_populate_cve_db: HTTPSConnectionPool(host='nvd.nist.gov', port=443): Max retries exceeded with url: /feeds/json/cve/1.0/nvdcve-1.0-2002.meta (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f787f1a8908>: Failed to establish a new connection: [Errno -2] Name or service not known',))
ERROR: cve-update-db-1.0-r0 do_populate_cve_db: Function failed: do_populate_cve_db