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  1. OpenShift Bugs
  2. OCPBUGS-53177

[UDN] OVNK is not cleaning up MPX interfaces properly when networks are deleted

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      Description of problem:

      • Bug is reproducible both upstream and downstream and breaks north-south for LGW and pod to KAPI/DNS traffic for both gateway modes
      2025-03-15T18:28:57.801Z|00607|binding|WARN|Invalid configuration: iface-id is configured on interfaces : [ovn-k8s-mp2] and [ovn-k8s-mp15]. Ignoring the configuration on interface [ovn-k8s-mp15]
      2025-03-15T18:40:14.400Z|00734|binding|WARN|Invalid configuration: iface-id is configured on interfaces : [ovn-k8s-mp16] and [ovn-k8s-mp3]. Ignoring the configuration on interface [ovn-k8s-mp3]
      2025-03-15T18:40:14.400Z|00735|binding|WARN|Invalid configuration: iface-id is configured on interfaces : [ovn-k8s-mp2] and [ovn-k8s-mp15]. Ignoring the configuration on interface [ovn-k8s-mp15]
      2025-03-15T18:40:14.400Z|00736|binding|WARN|Invalid configuration: iface-id is configured on interfaces : [ovn-k8s-mp14] and [ovn-k8s-mp1]. Ignoring the configuration on interface [ovn-k8s-mp1] 

      and

      external_ids        : {iface-id=k8s-green_green.network_ovn-worker2, ovn-installed="true", ovn-installed-ts="1742063337833"}                                                 
      ifindex             : 9                                                                                                                                                      
      ingress_policing_burst: 0                                                                                                                                                    
      ingress_policing_kpkts_burst: 0                                                                                                                                              
      ingress_policing_kpkts_rate: 0                                                                                                                                               
      ingress_policing_rate: 0                                                                                                                                                     
      lacp_current        : []                                                                                                                                                     
      link_resets         : 5                                                                                                                                                      
      link_speed          : []                                                                                                                                                     
      link_state          : up                                                                                                                                                     
      lldp                : {}                                                                                                                                                     
      mac                 : "0a:58:cb:cb:02:02"                                                                                                                                    
      mac_in_use          : "0a:58:cb:cb:02:02"                                                                                                                                    
      mtu                 : 1400                                                                                                                                                   
      mtu_request         : 1400                                                                                                                                                   
      name                : ovn-k8s-mp2                                                                                                                                            
      ofport              : 7                                                                                                                                                      
      ofport_request      : []                                                                                                                                                     
      options             : {}                                                                                                                                                     
      other_config        : {}                                                                                                                                                     
      statistics          : {collisions=0, rx_bytes=3940, rx_crc_err=0, rx_dropped=0, rx_errors=0, rx_frame_err=0, rx_missed_errors=0, rx_multicast_packets=0, rx_over_err=0, rx_pa
      ckets=57, tx_bytes=3727, tx_dropped=0, tx_errors=0, tx_packets=30, upcall_errors=0, upcall_packets=19}                                                                       
      status              : {driver_name=openvswitch}                                                                                                                              
      type                : internal  

      v/s

      external_ids        : {iface-id=k8s-green_green.network_ovn-worker2}
      ifindex             : 71
      ingress_policing_burst: 0
      ingress_policing_kpkts_burst: 0
      ingress_policing_kpkts_rate: 0
      ingress_policing_rate: 0
      lacp_current        : []
      link_resets         : 3
      link_speed          : []
      link_state          : up
      lldp                : {}
      mac                 : "0a:58:cb:cb:00:02"
      mac_in_use          : "0a:58:cb:cb:00:02"
      mtu                 : 1400
      mtu_request         : 1400
      name                : ovn-k8s-mp15
      ofport              : 69
      ofport_request      : []
      options             : {}
      other_config        : {}
      statistics          : {collisions=0, rx_bytes=0, rx_crc_err=0, rx_dropped=0, rx_errors=0, rx_frame_err=0, rx_missed_errors=0, rx_multicast_packets=0, rx_over_err=0, rx_packets=0, tx_bytes=746, tx_dropped=0, tx_errors=0, tx_packets=7, upcall_errors=0, upcall_packets=2}
      status              : {driver_name=openvswitch}
      type                : internal 

              sdn-team-bot sdn-team bot
              sseethar Surya Seetharaman
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              Anurag Saxena Anurag Saxena
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                Created:
                Updated: