i have the same issue but my error is dlopen() . this happened after updating from 6.4 to 7.1-8
nginx: [emerg] dlopen() "/usr/share/nginx/modules/ngx_stream_geoip_module.so" failed (/usr/share/nginx/modules/ngx_stream_geoip_module.so: undefined symbol: ngx_stream_add_variable) in...
