 Complete the following phrase:  A string of seven races without points followed. This included a hydraulic failure in Austria, engine issues in Singapore, and an incident in Hungary where he forced Nico Hülkenberg off the track, damaging Hülkenbergs car and forcing him to retire. Hülkenberg confronted Magnussen after the race, branding him the most unsporting driver on the grid. Magnussen ended the season with two 8th-place finishes in 