ThreadSanitizer: data race in epoll_ctl

This is race in the old networking code, so it needs to be fixed at least in 9.16

• 1d94a9deb79bb6e0392565939c4c2e8b22c40b90395b7e44481e8222796eaf3c.txt
• 2fba8511186575484be55487c65aba2dedf95720f08f185440f0e2488e7670c4.txt
• 6d5b1e08b902ea51f9cdf831af89ace525f41c170230979352c907c7d8ae8a06.txt
• 9cdb7a3ec22d7b7c88c2b89bd797998f6efd8ea080249945ab8000c6cecdc7a9.txt
• 73d6d1a1541a98db6b5e559e026a01376abb1c1a08a021b7b22d47ce785a10a9.txt
• 273e92c70d1068efeed056a2cd7482f23a0e6ae0e53ebacb3ae121a4696052aa.txt
• 518c692287511d2aff7f894a3bd2081161f32b432ffa7420e12cd259b6a28cc0.txt
• 802dac4f056434a26cc9e4b7e7bbc8ee5cdab126905cee0d231347347434020c.txt
• 1408c1fa18672439feaf561d54bf195a057d9e467d6b9dde768d40bf81bd83ff.txt
• 4901a83cd5c1adbbb124f4b666bc9b039876bea1c29351847d573d814ac27177.txt
• 79548c69e70bdb527a35b60c028e58de5d3fec774e993fab0047f5c987ac9507.txt
• a82b0b25c5005842af028a60b422fa7ca75e0d8738eb221ad0b306c387a90576.txt
• aea4c8a30b50aa01ecdb6fe84297bbbe0b60864d1fb85acbcc7718480b8fbaf7.txt
• c746e7a18885070e62134f477644fb6c4bc21670635fdaea4cf82686a22db640.txt
• d1e9973c92920e4be009dfb30a017a7d217ace70093eec0129e33e81c2531292.txt
• eebaf1244dbb73cf3b2c711ae6b69359290a0e38ca756fb39c84a4ee69a590d7.txt
• f10bd9049ae0c158bfd34929fdbab6fa4fd8bf3cbc990ca4b31575394dbe18ba.txt
• f7633163a3c47bab0e9c3b779dc257f103a3567be5c4d03434814107a7b5302d.txt