[image render] can not listen 50059

I try to run the new render plugin.

It gives fault:

t=2020-01-03T15:55:23+0800 lvl=dbug msg=“E0103 15:55:23.278300355 23668 server_chttp2.cc:38] {“created”:” 1578038123.278191462",“description”:“No address added out of total 1 resolved”,“file”:"…/deps/grpc/src/core/ext
/transport/chttp2/server/chttp2_server.cc",“file_line”:305,“referenced_errors”:[{“created”:" 1578038123.278168741",“description”:“Failed to add port to server”,“file”:"…/deps/grpc/src/core/lib/iomgr/tcp_server_uv.cc",“f
ile_line”:436,“referenced_errors”:[{“created”:" 1578038123.278117626",“description”:“Failed to initialize UV tcp handle”,“file”:"…/deps/grpc/src/core/lib/iomgr/tcp_server_uv.cc",“file_line”:277,“os_error”:“address fam
ily not supported”}]}]}" logger=rendering