[Bug 1679823] Re: bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.8 / 4.10 in XENIAL LTS

Ubuntu 16.10 (Yakkety Yak) has reached end of life, so this bug will not
be fixed for that specific release.

** Changed in: linux-hwe-edge (Ubuntu Yakkety)
Status: Fix Committed => Won't Fix

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Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.8 / 4.10
in XENIAL LTS

Status in Linux:
Confirmed
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:
Won't Fix
Status in linux-hwe-edge source package in Yakkety:
Won't Fix
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, tadavis@lbl.gov and many others
description: Ethernet Channel Bonding Driver, v3.7.1
version: 3.7.1

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