[root@vm-10-0-184-158 ~]# nmcli c NAME UUID TYPE DEVICE System eth0 5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 ethernet eth0 lo d474960e-cf8b-40ee-8245-dbcd62c041f7 loopback lo eth0 f2f977f5-734c-401a-bbe1-1b057de838f0 ethernet -- [root@vm-10-0-184-158 ~]# [root@vm-10-0-184-158 ~]# [root@vm-10-0-184-158 ~]# nmcli con show System\ eth0 | grep -i rout ipv4.routes: -- ipv4.route-metric: -1 ipv4.route-table: 0 (unspec) ipv4.routing-rules: -- ipv4.routed-dns: -1 (default) ipv4.ignore-auto-routes: no ipv4.auto-route-ext-gw: -1 (default) ipv6.routes: { ip = ::/0, nh = 2620:52:0:bb::fe } ipv6.route-metric: -1 ipv6.route-table: 0 (unspec) ipv6.routing-rules: -- ipv6.routed-dns: -1 (default) ipv6.ignore-auto-routes: no ipv6.auto-route-ext-gw: -1 (default) IP4.ROUTE[1]: dst = 10.0.184.0/22, nh = 0.0.0.0, mt = 100 IP4.ROUTE[2]: dst = 169.254.169.254/32, nh = 10.0.184.2, mt = 100 IP4.ROUTE[3]: dst = 0.0.0.0/0, nh = 10.0.187.254, mt = 100 DHCP4.OPTION[14]: requested_ms_classless_static_routes = 1 DHCP4.OPTION[18]: requested_rfc3442_classless_static_routes = 1 DHCP4.OPTION[20]: requested_routers = 1 DHCP4.OPTION[21]: requested_static_routes = 1 DHCP4.OPTION[25]: rfc3442_classless_static_routes = 169.254.169.254/32 10.0.184.2 0.0.0.0/0 10.0.187.254 DHCP4.OPTION[26]: routers = 10.0.187.254 IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 1024 IP6.ROUTE[2]: dst = ::/0, nh = 2620:52:0:bb::fe, mt = 100 IP6.ROUTE[3]: dst = 2620:52:0:bb::/64, nh = ::, mt = 100 IP6.ROUTE[4]: dst = ::/0, nh = fe80::f816:3eff:fe33:6758, mt = 100 IP6.ROUTE[5]: dst = ::/0, nh = fe80::f816:3eff:fe20:5f01, mt = 100 IP6.ROUTE[6]: dst = ::/0, nh = fe80::4e16:fc01:558c:98ed, mt = 100 IP6.ROUTE[7]: dst = ::/0, nh = fe80::4e16:fc01:5583:88aa, mt = 100 [root@vm-10-0-184-158 ~]# [root@vm-10-0-184-158 ~]# ip -6 r ::1 dev lo proto kernel metric 256 pref medium 2620:52:0:bb::/64 dev eth0 proto ra metric 100 pref medium fe80::/64 dev eth0 proto kernel metric 1024 pref medium default proto static metric 100 pref medium nexthop via 2620:52:0:bb::fe dev eth0 weight 1 nexthop via fe80::f816:3eff:fe33:6758 dev eth0 weight 1 nexthop via fe80::f816:3eff:fe20:5f01 dev eth0 weight 1 nexthop via fe80::4e16:fc01:558c:98ed dev eth0 weight 1 nexthop via fe80::4e16:fc01:5583:88aa dev eth0 weight 1 [root@vm-10-0-184-158 ~]# nmcli -g NAME,FILENAME con System eth0:/etc/sysconfig/network-scripts/ifcfg-eth0 lo:/run/NetworkManager/system-connections/lo.nmconnection eth0:/etc/NetworkManager/system-connections/eth0.nmconnection [root@vm-10-0-184-158 ~]# cd /etc/sysconfig/network-scripts/ [root@vm-10-0-184-158 network-scripts]# ls ifcfg-eth0 readme-ifcfg-rh.txt route6-eth0 route-eth0 [root@vm-10-0-184-158 network-scripts]# [root@vm-10-0-184-158 network-scripts]# cat ifcfg-eth0 # Created by cloud-init automatically, do not edit. # AUTOCONNECT_PRIORITY=120 BOOTPROTO=dhcp DEVICE=eth0 DHCLIENT_SET_DEFAULT_ROUTE=no HWADDR=fa:16:3e:af:8c:3b IPV6INIT=yes IPV6_AUTOCONF=yes ONBOOT=yes TYPE=Ethernet USERCTL=no [root@vm-10-0-184-158 network-scripts]# cat route6-eth0 # Created by cloud-init automatically, do not edit. # ::/0 via 2620:52:0:bb::fe dev eth0 [root@vm-10-0-184-158 network-scripts]# cat route-eth0 # Created by cloud-init automatically, do not edit. # [root@vm-10-0-184-158 network-scripts]# [root@vm-10-0-184-158 network-scripts]# cd [root@vm-10-0-184-158 ~]# nmstatectl show [2025-09-07T12:17:06Z INFO nmstatectl] Nmstate version: 2.2.50 hostname: running: vm-10-0-184-158.hosted.upshift.rdu2.redhat.com config: vm-10-0-184-158.hosted.upshift.rdu2.redhat.com dns-resolver: running: server: - 10.11.5.160 - 10.2.70.215 search: [] config: {} route-rules: config: [] routes: running: - destination: ::/0 next-hop-interface: eth0 next-hop-address: 2620:52:0:bb::fe metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::f816:3eff:fe33:6758 metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::f816:3eff:fe20:5f01 metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::4e16:fc01:558c:98ed metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::4e16:fc01:5583:88aa metric: 100 table-id: 254 - destination: 2620:52:0:bb::/64 next-hop-interface: eth0 next-hop-address: '::' metric: 100 table-id: 254 - destination: 0.0.0.0/0 next-hop-interface: eth0 next-hop-address: 10.0.187.254 metric: 100 table-id: 254 source: 10.0.184.158 - destination: 169.254.169.254/32 next-hop-interface: eth0 next-hop-address: 10.0.184.2 metric: 100 table-id: 254 source: 10.0.184.158 config: - destination: ::/0 next-hop-interface: eth0 next-hop-address: 2620:52:0:bb::fe metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::f816:3eff:fe33:6758 metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::f816:3eff:fe20:5f01 metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::4e16:fc01:558c:98ed metric: 100 table-id: 254 - destination: ::/0 next-hop-interface: eth0 next-hop-address: fe80::4e16:fc01:5583:88aa metric: 100 table-id: 254 interfaces: - name: eth0 type: ethernet profile-name: System eth0 driver: virtio_net state: up identifier: mac-address mac-address: FA:16:3E:AF:8C:3B permanent-mac-address: FA:16:3E:AF:8C:3B mtu: 1500 min-mtu: 68 max-mtu: 1500 wait-ip: any ipv4: enabled: true dhcp: true address: - ip: 10.0.184.158 prefix-length: 22 valid-life-time: 29134sec preferred-life-time: 29134sec auto-dns: true auto-gateway: true auto-routes: true auto-route-table-id: 0 dhcp-send-hostname: true ipv6: enabled: true dhcp: true autoconf: true address: - ip: 2620:52:0:bb:f816:3eff:feaf:8c3b prefix-length: 64 valid-life-time: 2591936sec preferred-life-time: 604736sec - ip: fe80::f816:3eff:feaf:8c3b prefix-length: 64 auto-dns: true auto-gateway: true auto-routes: true auto-route-table-id: 0 addr-gen-mode: eui64 dhcp-send-hostname: true mptcp: address-flags: [] accept-all-mac-addresses: false lldp: enabled: false ethtool: feature: rx-gro: true rx-gro-hw: true rx-gro-list: false rx-udp-gro-forwarding: false tx-checksum-ip-generic: true tx-generic-segmentation: true tx-nocache-copy: false tx-tcp-ecn-segmentation: true tx-tcp-mangleid-segmentation: false tx-tcp-segmentation: true tx-tcp6-segmentation: true coalesce: rx-frames: 1 rx-usecs: 0 tx-frames: 1 tx-usecs: 0 ring: rx: 512 rx-max: 512 tx: 256 tx-max: 256 ethernet: auto-negotiation: false - name: lo type: loopback state: up mac-address: 00:00:00:00:00:00 mtu: 65536 ipv4: enabled: true address: - ip: 127.0.0.1 prefix-length: 8 ipv6: enabled: true address: - ip: ::1 prefix-length: 128 accept-all-mac-addresses: false ethtool: feature: rx-gro: true rx-gro-list: false rx-udp-gro-forwarding: false tx-generic-segmentation: true tx-gso-list: true tx-sctp-segmentation: true tx-tcp-ecn-segmentation: true tx-tcp-mangleid-segmentation: true tx-tcp-segmentation: true tx-tcp6-segmentation: true tx-udp-segmentation: true ovn: {} [root@vm-10-0-184-158 ~]# [root@vm-10-0-184-158 ~]# nmstatectl show | nmstatectl apply [2025-09-07T12:17:17Z INFO nmstatectl] Nmstate version: 2.2.50 [2025-09-07T12:17:17Z INFO nmstatectl] Nmstate version: 2.2.50 [2025-09-07T12:17:17Z INFO nmstate::ip] Static addresses 10.0.184.158/22 valid_life_time 29124sec preferred_lft 29124sec defined when dynamic IP is enabled [2025-09-07T12:17:17Z INFO nmstate::ip] Ignoring Auto IP address 10.0.184.158/22 valid_life_time 29124sec preferred_lft 29124sec [2025-09-07T12:17:17Z INFO nmstate::ip] Ignoring Auto IP address 2620:52:0:bb:f816:3eff:feaf:8c3b/64 valid_life_time 2591925sec preferred_lft 604725sec [2025-09-07T12:17:17Z INFO nmstate::ip] Static addresses fe80::f816:3eff:feaf:8c3b/64 defined when dynamic IP is enabled [2025-09-07T12:17:17Z WARN nmstate::ip] Ignoring IPv6 link local address fe80::f816:3eff:feaf:8c3b/64 NmstateError: InvalidArgument: Route to ::/0 has conflicting nexthop (2620:52:0:bb::fe; fe80::4e16:fc01:5583:88aa). Either set the existing route to 'absent', or set their 'weight' (for ECMP) or 'metric' value [root@vm-10-0-184-158 ~]#