Instances can get metadata with mellanox CX4 network card

Solution Verified - Updated -

Issue

On a new deployment instances can get the metadata. Additionally the following checksum errors can be seen:

15:13:41.666783 IP (tos 0x0, ttl 64, id 51814, offset 0, flags [DF], proto TCP (6), length 60)
    192.168.1.5.54394 > 169.254.169.254.http: Flags [S], cksum 0x78d9 (incorrect -> 0x4774), seq 1684875192, win 14100, options [mss 1410,sackOK,TS val 36892126 ecr 0,nop,wscale 5], length 0   <==================================== incorrect 

    0x0000:  4500 003c ca66 4000 4006 f7aa c0a8 6405  E..<.f@.@.....d.
    0x0010:  a9fe a9fe d47a 0050 646d 27b8 0000 0000  .....z.Pdm'.....
    0x0020:  a002 3714 78d9 0000 0204 0582 0402 080a  ..7.x...........
    0x0030:  0232 edde 0000 0000 0103 0305            .2..........

Environment

  • Red Hat Openstack Platform
  • Mellanox CX4 network cards

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