I too am running into this, and can confirm the mouse lag as reported above, although this is rare for me. I have also been running speedtests, and have noticed that the download speed seems to be the only one impacted by this.
ping(ms) down(Mbps) up(Mbps) 33 .1 1.2 19 .35 3.92 22 .71 3.76 18 .51 4.57 Linux mint 15 uname -a Linux brad-laptop 3.8.0-29-generic #42-Ubuntu SMP Tue Aug 13 19:40:39 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux lspci | grep -i network 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network Connection (rev 03) syslog Sep 26 23:18:56 brad-laptop NetworkManager[1204]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Sep 26 23:35:37 brad-laptop wpa_supplicant[2367]: wlan0: WPA: Group rekeying completed with 10:6f:3f:02:af:cd [GTK=TKIP] Sep 26 23:38:56 brad-laptop NetworkManager[1204]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1118446 Title: NetworkManager[14155]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1118446/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs