Please i am gone back to HDMU_13536_E2_spark7162_215_git_3467_nodebug_mix_F lash from february, and its works. Please check this question. The problem is the spark receive had no ip with dchp enabled and i also with dchp disable.

Other question i suggest than in the new image when enable wifi it show a message box asnwering if you disable the second interface.

Thanks