is one piece episode 408 filler?

On Sabaody, Duval locates the Thousand Sunny and tells the Rosy Life Riders to guard it until the coating craftsman arrives. Shalria demands that the marines find the Straw Hats and bring them to her so that she can enslave and torture them as revenge for punching Charlos.

Hachi, Camie and Pappag have taken refuge at Shakky's Rip-off Bar, where Shakky explains that the Straw Hats will need to be careful in the future because the tide of the times is changing.