Hi Hangbin, Thank you for this new version! On 24/02/2023 07:13, Hangbin Liu wrote: > The current mptcp test is run in init netns. If the user or default > system config disabled mptcp, the test will fail. Let's run the mptcp > test in a dedicated netns to avoid none kernel default mptcp setting. (...) > + SYS_NOFAIL("ip netns del " NS_TEST " &> /dev/null"); "Funny", I saw the ">&" in a previous versions and I was going to react before noticing this is in fact valid in Bash (and ZSH). But of course I should have checked with 'sh' instead... Anyway, Martin: thank you for having spotted that! Acked-by: Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx> Cheers, Matt -- Tessares | Belgium | Hybrid Access Solutions www.tessares.net