linux-generic-hwe-16.04-edge from xenial-proposed repo fixes the problem. $ sudo cat /etc/apt/sources.list | grep proposed deb http://archive.ubuntu.com/ubuntu xenial-proposed main
$ sudo apt-cache policy linux-generic-hwe-16.04-edge linux-generic-hwe-16.04-edge: Installed: 4.10.0.23.16 Candidate: 4.10.0.23.16 Version table: *** 4.10.0.23.16 500 500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages 100 /var/lib/dpkg/status 4.10.0.22.15 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages $ uname -a Linux <hostname-omitted> 4.10.0-23-generic #25~16.04.1-Ubuntu SMP Fri Jun 9 10:45:17 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux $ ip link show | grep bond0 bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue master br-bond0 state UP mode DEFAULT group default qlen 1000 $ sudo ovs-vsctl list-br | grep br-int br-int $ ip link show | grep br-int 32: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 $ sudo ip link set br-int mtu 9000 $ ip link show | grep br-int 32: br-int: <BROADCAST,MULTICAST> mtu 9000 qdisc noop state DOWN mode DEFAULT group default qlen 1000 also solves BUG mentioned in LP#1685742 -- 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/1679823 Title: bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.8 / 4.10 in XENIAL LTS Status in Linux: Unknown Status in linux package in Ubuntu: Triaged Status in linux-hwe package in Ubuntu: Fix Released Status in linux-hwe-edge package in Ubuntu: Confirmed Status in linux source package in Xenial: Confirmed Status in linux-hwe source package in Xenial: Fix Released Status in linux-hwe-edge source package in Xenial: Confirmed Status in linux source package in Yakkety: Fix Released Status in linux-hwe source package in Yakkety: Fix Committed Status in linux-hwe-edge source package in Yakkety: Fix Committed Status in linux source package in Zesty: In Progress Status in linux-hwe source package in Zesty: Confirmed Status in linux-hwe-edge source package in Zesty: Confirmed Bug description: Since I upgraded the kernel from linux-image-4.8.0-46-generic to linux-image-extra-4.10.0-14-generic I'm facing an issue when I want to change the MTU. It seems to be known bug already fixed: https://bugzilla.kernel.org/show_bug.cgi?id=194763 # ip l sh eno49 2: eno49: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master bond0 state UP mode DEFAULT group default qlen 1000 link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff # ip l sh eno50 3: eno50: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master bond0 state UP mode DEFAULT group default qlen 1000 link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff # ip l sh bond0 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000 link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff # ip l set mtu 9000 bond0 RTNETLINK answers: Invalid argument root@controller002[SRV][YUL]:~# tail -1 /var/log/syslog Apr 4 19:36:28 controller002 kernel: [ 8869.077853] bond0: Invalid MTU 9000 requested, hw max 1500 # modinfo ixgbe filename: /lib/modules/4.10.0-14-generic/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko version: 4.4.0-k license: GPL description: Intel(R) 10 Gigabit PCI Express Network Driver # modinfo bonding filename: /lib/modules/4.10.0-14-generic/kernel/drivers/net/bonding/bonding.ko author: Thomas Davis, tada...@lbl.gov and many others description: Ethernet Channel Bonding Driver, v3.7.1 version: 3.7.1 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1679823/+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