Hi Cédric,

I have tested it, it works well. But the interface name will repeat 2 times.
Please help to confirm this, and if below test for a single port host is enough?

# cat /proc/sys/net/ipv6/conf/enp0s25/accept_ra
1

enable network default with ipv6 ip section

# virsh net-start default
error: Failed to start network default
error: internal error: Check the host setup: enabling IPv6 forwarding with RA routes without accept_ra set to 2 is likely to cause routes loss. Interfaces to look at: enp0s25, enp0s25

# echo 2 > /proc/sys/net/ipv6/conf/enp0s25/accept_ra

# virsh net-start default
Network default started

try create:

# virsh net-create default.xml
error: Failed to create network from default.xml
error: internal error: Check the host setup: enabling IPv6 forwarding with RA routes without accept_ra set to 2 is likely to cause routes loss. Interfaces to look at: enp0s25, enp0s25

On Wed, Mar 15, 2017 at 10:45 PM, Cédric Bosdonnat <cbosdonnat@suse.com> wrote:

Hi Laine, all,

Here is the v2 of my series. The changes are:

* Add a commit to create a virNetDevGetName() function
* Fix Laine's comments

Cédric Bosdonnat (5):
util: extract the request sending code from virNetlinkCommand()
util: add virNetlinkDumpCommand()
bridge_driver.c: more uses of SYSCTL_PATH
util: add virNetDevGetName() function
network: check accept_ra before enabling ipv6 forwarding

src/libvirt_private.syms | 3 +
src/network/bridge_driver.c | 25 ++++---
src/util/virnetdev.c | 19 ++++++
src/util/virnetdev.h | 2 +
src/util/virnetdevip.c | 158 ++++++++++++++++++++++++++++++++++++++++++++
src/util/virnetdevip.h | 1 +
src/util/virnetlink.c | 145 ++++++++++++++++++++++++++++++----------
src/util/virnetlink.h | 9 +++
8 files changed, 319 insertions(+), 43 deletions(-)

--
2.11.0

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