my .02$ for this "multi-outline-bokeh": try shooting these images WITHOUT image stabilisation, and you have solved the problem.
Before further explanation, try to understand how IS works...
Does IS affect bokeh? I've been shooting for only for just over a year so I'm a relative newbie here ... want to learn.
1DX, 5D3, 600D, RX100
16-35L, 24-70L II, 70-200L II, 100-400L II, 50L, 85L II, 135L, 17TSE, 24TSE, 40, 100 macro, 18-55 II, 55-250 II, 1.4x III, 2x III, 600RT x 4
When it comes to gear, it is better to vote with your wallet. Bitching on online forums like a lunatic doesn't get you anywhere!