That looks like a oil seal on the compressor side of the turbo is going. Along with the TMIC that may have a leak on the vertical fingures.
I hope your keeping a eye on the oil level and topping it off as needed ???
224,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here