Oil weep from head joing under exhaust manifold

Just been cleaning up the exhaust face on the head getting ready to fit the new manifold gasket. Using a mirror to examine the face noticed a line of oil at the head gasket joint so wiped it away. The gasket looks like it's a MLS as I can see nice bright steel in the joint. In the past I seem to recall that I read that the MLS can weep oil. is this correct or am I looking at more problems here?

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