On 6/24/19 7:29 AM, Christian Brauner wrote: > Tools such as vpnc try to flush routes when run inside network > namespaces by writing 1 into /proc/sys/net/ipv4/route/flush. This > currently does not work because flush is not enabled in non-initial > network namespaces. > Since routes are per network namespace it is safe to enable > /proc/sys/net/ipv4/route/flush in there. > > Link: https://github.com/lxc/lxd/issues/4257 > Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com> > --- > net/ipv4/route.c | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) >
why not teach vpnc to use rtnetlink and then add a flush option to RTM_DELROUTE?