Static Port of Named Instance

Hi Experts,I changed the Port of my named instance to use static port but still error log is giving two values ,why??spid15s Server is listening on [ 'any' <ipv6> 50152].spid15s Server is listening on [ 'any' <ipv4> 50152].Server Server is listening on [ ::1 <ipv6> 57518].Server Server is listening on [ 127.0.0.1 <ipv4> 57518].