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 Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1118446 Title: NetworkManager[14155]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Status in “network-manager” package in Ubuntu: Triaged Bug description: I see the following messages in /var/log/syslog: NetworkManager[14155]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted When it goes down, I have to bounce network-manager to resolve it. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: network-manager 0.9.7.995+git201301311547.17123fc-0ubuntu1 ProcVersionSignature: Ubuntu 3.8.0-4.8-generic 3.8.0-rc6 Uname: Linux 3.8.0-4-generic x86_64 ApportVersion: 2.8-0ubuntu4 Architecture: amd64 Date: Thu Feb 7 08:59:00 2013 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2013-01-26 (12 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) IpRoute: default via 10.0.1.1 dev wlan0 proto static 10.0.1.0/24 dev wlan0 proto kernel scope link src 10.0.1.11 metric 9 169.254.0.0/16 dev wlan0 scope link metric 1000 MarkForUpload: True NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: network-manager UpgradeStatus: Upgraded to raring on 2013-01-26 (11 days ago) nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH Ubuntu ac3b296c-3250-4464-8ee0-ebd6e5d8e9ca 802-11-wireless 1360249035 Thu 07 Feb 2013 08:57:15 AM CST yes no /org/freedesktop/NetworkManager/Settings/2 Palms 2e5ef890-c77c-466e-92ee-d9dcb777cf12 802-11-wireless 1359750784 Fri 01 Feb 2013 02:33:04 PM CST yes no /org/freedesktop/NetworkManager/Settings/1 MIA-WiFi ea25a58d-9cb8-48a8-843a-2dc3231a1e17 802-11-wireless 1359754973 Fri 01 Feb 2013 03:42:53 PM CST yes no /org/freedesktop/NetworkManager/Settings/0 nmcli-dev: DEVICE TYPE STATE DBUS-PATH wlan0 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/0 nmcli-nm: RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN running 0.9.7.995 connected enabled enabled enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1118446/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
