Martian packets are logged on compute nodes

Solution Verified - Updated -

Issue

The following problems may be observed if firewall_driver=iptables_hybrid is configured in var/lib/config-data/puppet-generated/neutron/etc/neutron/plugins/ml2/openvswitch_agent.ini:

  • Martian packets are logged on computes while Instance is obtaining DHCP lease.
  • Flood of log notifications about martian packets on compute logs.
May 11 21:14:27 compute-11 kernel: IPv4: martian source 192.168.1.1 from 192.168.1.3, on dev qbr2d01def5-22
May 11 21:14:27 compute-11 kernel: ll header: 00000000: ff ff ff ff ff ff 00 06 95 8c d6 37 08 06        ..............

Environment

  • Red Hat OpenStack Platform 13

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