On Tue, 26 Nov 2019 at 21:26, Florian Westphal <fw@xxxxxxxxx> wrote: > > Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > Do you see the following error while running selftests netfilter > > nft_nat.sh test ? > > Are we missing any kernel config fragments ? We are merging configs > > from the directory. > > > > # selftests netfilter nft_nat.sh > > netfilter: nft_nat.sh_ # > > # Cannot create namespace file \"/var/run/netns/ns1\" File exists > > 'ns1' is not a good name. > What is the output of nft --version? nftables v0.7 (Scrooge McDuck) > > Does this patch help? Even if it doesn't, its probably a good idea > to add it. I tested on arm64 Hikey and did not help. However, I will validate on x86_64 and other devices and let you know. > > Subject: [PATCH] selftests: netfilter: use randomized netns names > > Using ns0, ns1, etc. isn't a good idea, they might already exist. > Add a random suffix to avoid interering with other, unrelated net namespaces. > > Signed-off-by: Florian Westphal <fw@xxxxxxxxx> > --- > tools/testing/selftests/netfilter/nft_nat.sh | 332 ++++++++++--------- > 1 file changed, 176 insertions(+), 156 deletions(-) + ./nft_nat.sh [ 29.100929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.191505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready internal:0:0-0: Error: Could not open file \"-\": No such file or directory internal:0:0-0: Error: Could not open file \"-\": No such file or directory internal:0:0-0: Error: Could not open file \"-\": No such file or directory [ 29.985551] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <cmdline>:1:6-12: Error: syntax error, unexpected counter list counter inet filter ns0in ^^^^^^^ ERROR: ns0in counter in ns1-Tj5FGVgK has unexpected value (expected packets 1 bytes 84) at check_counters 1 <cmdline>:1:6-12: Error: syntax error, unexpected counter list counter inet filter ns0in ^^^^^^^ <cmdline>:1:6-12: Error: syntax error, unexpected counter list counter inet filter ns0out ^^^^^^^ ref: https://lkft.validation.linaro.org/scheduler/job/1025331#L1508