On 23.04.2015 05:37 AM, Anatoly Smaznov wrote:
> Here's the output:
> 
> [aaa@mmm ~]$ ss -l -x -u
> State Recv-Q Send-Q Local Address:Port Peer Address:Port
> [aaa@mmm ~]$ ss -xu
> Recv-Q Send-Q Local Address:Port Peer Address:Port
> [aaa@mmm ~]$ ss -v
> ss utility, iproute2-ss150210


I can reproduce this with iproute2 4.0.0. Adding the -u flag is leading to no output.

I still maintain this is a bug in iproute2, unless the new behavior is intentional.

Adding -u always makes the returned list be empty.



Mihai