Public bug reported: 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 ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: amd64 apport-bug regression-update xenial -- 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