This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1772775 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1772775 Title: 4.4.0-127.153 generates many "sit: non-ECT" messages Status in linux package in Ubuntu: Incomplete Bug description: Since deploying linux-image-4.4.0-127-generic (4.4.0-127.153) on a Xenial VM with a sit tunnel, I get such messages: May 22 10:49:38 gw kernel: [ 68.121601] sit: non-ECT from 0.0.0.0 with TOS=0x5 Those are logged quite often: # grep -cF 'sit: non-ECT' /var/log/syslog 9108 Reverting to linux-image-4.4.0-124-generic (4.4.0-124.148) fixes the issue. # lsb_release -rd Description: Ubuntu 16.04.4 LTS Release: 16.04 # apt-cache policy linux-image-4.4.0-127-generic linux-image-4.4.0-127-generic: Installed: 4.4.0-127.153 Candidate: 4.4.0-127.153 Version table: *** 4.4.0-127.153 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-127-generic 4.4.0-127.153 ProcVersionSignature: Ubuntu 4.4.0-127.153-generic 4.4.128 Uname: Linux 4.4.0-127-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 May 22 20:08 seq crw-rw---- 1 root audio 116, 33 May 22 20:08 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.1-0ubuntu2.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser' CRDA: N/A Date: Tue May 22 21:18:45 2018 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lspci: Error: [Errno 2] No such file or directory: 'lspci' Lsusb: Error: [Errno 2] No such file or directory: 'lsusb' MachineType: QEMU Standard PC (i440FX + PIIX, 1996) PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-127-generic root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro console=ttyS0 net.ifnames=0 kaslr vsyscall=none nmi_watchdog=0 possible_cpus=1 pti=on nr_cpus=1 RelatedPackageVersions: linux-restricted-modules-4.4.0-127-generic N/A linux-backports-modules-4.4.0-127-generic N/A linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/01/2014 dmi.bios.vendor: SeaBIOS dmi.bios.version: Ubuntu-1.8.2-1ubuntu1 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-2.5 dmi.modalias: dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-2.5 dmi.sys.vendor: QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772775/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp