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Bug 2081277 - Linux bridge cannot be removed if they routes are marked as absent
Summary: Linux bridge cannot be removed if they routes are marked as absent
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: nmstate
Version: 9.1
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Gris Ge
QA Contact: Mingyu Shi
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-05-03 09:04 UTC by Quique Llorente
Modified: 2023-01-12 09:58 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-11-15 10:00:44 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github nmstate kubernetes-nmstate pull 1059 0 None open Use nmstatectl rust 2022-05-03 09:04:44 UTC
Github nmstate nmstate pull 1913 0 None Merged For errors when deleting route or route rules on absent interface 2022-06-02 12:04:16 UTC
Red Hat Issue Tracker RHELPLAN-120851 0 None None None 2022-05-03 09:06:09 UTC
Red Hat Product Errata RHBA-2022:7991 0 None None None 2022-11-15 10:00:56 UTC

Description Quique Llorente 2022-05-03 09:04:45 UTC 
Description of problem:
When removing an static ipv4 bridge with its routes it fails to delete it.


Version-Release number of selected component (if applicable): 


How reproducible: Always


Steps to Reproduce:
1. Apply following script
cat <<'EOF' | nmstatectl apply
interfaces: 
  - name: eth1                                                                    
    type: ethernet                                                              
    state: up                                                                   
    ipv4:                                                                       
      address:                                                                  
      - ip: 192.0.2.251                                                                
        prefix-length: 24                                                     
      dhcp: false                                                               
      enabled: true                                                             
routes:                                                                         
    config:                                                                     
    - destination: 198.51.100.0/24                                                         
      metric: 150                                                               
      next-hop-address: 192.0.2.1                                                     
      next-hop-interface: eth1                                                    
      table-id: 254                       
EOF

cat <<'EOF' | nmstatectl apply
interfaces:                                        
  - name: brext                                                                 
    type: linux-bridge                                                          
    state: up                                                                   
    ipv4:                    
      address:                                                                  
      - ip: 192.0.2.251                                                                
        prefix-length: 24                                                     
      dhcp: false                                                               
      enabled: true                                                             
    bridge:                                                                     
      options:                                                                  
        stp:                                                                    
          enabled: false                                                        
      port:                                                                     
      - name: eth1                 
routes:                                                                         
  config:
    - destination: 198.51.100.0/24                                                         
      metric: 150                                                               
      next-hop-address: 192.0.2.1                                                     
      next-hop-interface: brext
      table-id: 254
EOF
cat <<'EOF' | nmstatectl apply
interfaces:
    - ipv4:
        enabled: false
      name: eth1
      state: up
      type: ethernet
    - name: brext
      state: absent
      type: linux-bridge
routes:
      config:
      - next-hop-interface: brext
        state: absent                      
EOF



Actual results:
NmstateError: VerificationError: Absent/Down interface brext/linux-bridge still found as LinuxBridge(LinuxBridgeInterface { base: BaseInterface { name: "brext", description: Some(""), prop_list: ["name", "state", "iface_type", "ipv4", "ipv6", "mac_address", "controller", "mtu", "accept_all_mac_addresses", "ethtool", "ieee8021x", "description", "lldp"], iface_type: LinuxBridge, state: Up, mac_address: Some("F6:7A:5E:DB:DD:46"), permanent_mac_address: None, mtu: Some(1500), ipv4: Some(InterfaceIpv4 { enabled: true, prop_list: ["enabled", "addresses", "dhcp", "dns", "auto_dns", "auto_routes", "auto_gateway", "auto_table_id"], dhcp: Some(false), addresses: Some([InterfaceIpAddr { ip: 192.0.2.251, prefix_length: 24 }]), dns: Some(DnsClientState { server: None, search: Some([]), priority: None }), auto_dns: None, auto_gateway: None, auto_routes: None, auto_table_id: None }), ipv6: Some(InterfaceIpv6 { enabled: false, prop_list: ["enabled", "dhcp", "autoconf", "dns", "auto_dns", "auto_routes", "auto_gateway", "auto_table_id"], dhcp: None, autoconf: None, addresses: None, dns: Some(DnsClientState { server: None, search: Some([]), priority: None }), auto_dns: None, auto_gateway: None, auto_routes: None, auto_table_id: None }), controller: None, accept_all_mac_addresses: Some(false), copy_mac_from: None, ovsdb: None, ieee8021x: None, lldp: Some(LldpConfig { enabled: false, neighbors: [] }), ethtool: Some(EthtoolConfig { pause: None, feature: Some({"tx-tcp6-segmentation": true, "tx-nocache-copy": false, "tx-gre-segmentation": true, "tx-udp_tnl-segmentation": true, "tx-tcp-ecn-segmentation": true, "highdma": true, "tx-vlan-stag-hw-insert": true, "rx-gro-list": false, "tx-tcp-segmentation": true, "tx-vlan-hw-insert": true, "tx-ipxip4-segmentation": true, "tx-ipxip6-segmentation": true, "tx-gso-list": true, "tx-udp-segmentation": true, "tx-sctp-segmentation": true, "rx-udp-gro-forwarding": false, "tx-checksum-ip-generic": true, "tx-tcp-mangleid-segmentation": true, "tx-generic-segmentation": true, "tx-scatter-gather-fraglist": true, "tx-fcoe-segmentation": true, "tx-udp_tnl-csum-segmentation": true, "tx-gso-partial": true, "tx-tunnel-remcsum-segmentation": true, "tx-gre-csum-segmentation": true, "rx-gro": true, "tx-esp-segmentation": true, "tx-gso-robust": true}), coalesce: None, ring: None }), controller_type: None, up_priority: 0, routes: None, rules: None, _other: {} }, bridge: Some(LinuxBridgeConfig { options: Some(LinuxBridgeOptions { gc_timer: Some(29592), group_addr: Some("01:80:C2:00:00:00"), group_forward_mask: Some(0), group_fwd_mask: Some(0), hash_max: Some(4096), hello_timer: Some(177), mac_ageing_time: Some(300), multicast_last_member_count: Some(2), multicast_last_member_interval: Some(100), multicast_membership_interval: Some(26000), multicast_querier: Some(false), multicast_querier_interval: Some(25500), multicast_query_interval: Some(12500), multicast_query_response_interval: Some(1000), multicast_query_use_ifaddr: Some(false), multicast_router: Some(Auto), multicast_snooping: Some(true), multicast_startup_query_count: Some(2), multicast_startup_query_interval: Some(3125), stp: Some(LinuxBridgeStpOptions { enabled: Some(true), forward_delay: Some(15), hello_time: Some(2), max_age: Some(20), priority: Some(32768) }) }), port: Some([]) }) })

Expected results:
brext get deleted

Additional info:
If "absent" routes is removed from last state the "brext" get removed correctly.
Comment 1 Gris Ge 2022-05-30 05:53:44 UTC 
Patch posted https://github.com/nmstate/nmstate/pull/1913

Also fixed deleting route rule on absent interface.
Comment 7 errata-xmlrpc 2022-11-15 10:00:44 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (nmstate bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:7991
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