[SRU][Bionic][PATCH 0/3] Fixes for LP:1774225

[Joseph Salisbury]

== SRU Justification ==
6Wind is requesting these three patches. The patches fix a bug that prevents a user
from following an interface that moves to another netns.

These commits are also needed in Xenial.  However, they will be sent in
a separate SRU request due to additional prereq commits being needed for
Xenial.

== Fixes ==
b2d3bcfa26a7 ("net: core: Expose number of link up/down transitions")
c36ac8e23073 ("dev: always advertise the new nsid when the netns iface changes")
38e01b30563a ("dev: advertise the new ifindex when the netns iface changes")

== Regression Potential ==
Medium due to three patches needed and the changes to core networking. 

== Test Case ==
A test kernel was built with these patches and tested by the original bug reporter.
The bug reporter states the test kernel resolved the bug.

David Decotigny (1):
  net: core: Expose number of link up/down transitions

Nicolas Dichtel (2):
  dev: always advertise the new nsid when the netns iface changes
  dev: advertise the new ifindex when the netns iface changes

 Documentation/ABI/testing/sysfs-class-net | 24 +++++++++++++++++
 include/linux/netdevice.h                 |  6 +++--
 include/linux/rtnetlink.h                 |  5 ++--
 include/uapi/linux/if_link.h              |  3 +++
 net/core/dev.c                            | 22 +++++++++-------
 net/core/net-sysfs.c                      | 25 +++++++++++++++++-
 net/core/rtnetlink.c                      | 44 ++++++++++++++++++++++---------
 net/sched/sch_generic.c                   |  4 +--
 8 files changed, 103 insertions(+), 30 deletions(-)

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2.7.4