Don't panic yet. Probably a gasket or an oil line. Pain in the ass but not the end of the world. Possibly loose filter or sump plug to. Guessing you also have the aerodynamic panels underneath to so may be coming from the left side and that is just the easiest place for it to come out.

A little oil also goes a bloody long way so will probably look a hell of a lot worse than it may be.

Not good but don't stress TO much just yet till you find out what it is.

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Stoner & Webber 2011 World Champions