# netstat -w 5 -d input (Total) output packets errs idrops bytes packets errs bytes colls drops 38 8 0 26044 40 0 6403 0 0 67 13 0 42974 68 0 14818 0 0 79 19 0 60643 86 0 10827 0 0 88 21 0 69889 97 0 11877 0 0 88 22 0 68445 96 0 11841 0 0 87 22 0 68333 99 0 9650 0 0
# ab -n10000 -c25 -r domain.tld/image.gif
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, www.zeustech.net/
Licensed to The Apache Software Foundation, www.apache.org/
Benchmarking domain.tld (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Test aborted after 10 failures
apr_socket_connect(): Operation not permitted (1)
Total of 8064 requests completed