12/16/2023 0 Comments Reason for mac address![]() Jun 9 08:29:12 srv201 NetworkManager: device (eth3): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:12 srv201 NetworkManager: device (eth3): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:12 srv201 NetworkManager: policy: set 'System eth2' (eth2) as default for IPv6 routing and DNS Jun 9 08:29:12 srv201 NetworkManager: device (eth3): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:12 srv201 NetworkManager: device (eth3): Activation: failed for connection 'System eth3' Jun 9 08:29:12 srv201 NetworkManager: device (eth3): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed') Jun 9 08:29:11 srv201 NetworkManager: device (eth2): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:11 srv201 NetworkManager: device (eth2): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:11 srv201 NetworkManager: device (eth2): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') ![]() Jun 9 08:29:11 srv201 NetworkManager: policy: set 'System eth3' (eth3) as default for IPv6 routing and DNS Jun 9 08:29:11 srv201 NetworkManager: device (eth2): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed') Jun 9 08:29:11 srv201 NetworkManager: device (eth2): Activation: failed for connection 'System eth2' Jun 9 08:29:11 srv201 NetworkManager: device (eth2): state change: ip-config -> failed (reason 'ip-config-unavailable', sys-iface-state: 'managed') Nmcli also randomly shows (some time later)Īnd ping is not working anymore (ping6 -c4 ) resulting in: connect: Network is unreachable etc/sysconfig/network-scripts/route6-eth3Įth0 and eth1 have no issues, using ipv4.Įth2 and eth3 have the issue, using ipv6.Įth2: connecting (getting IP configuration) to System eth2Įthernet (veth), 4A:9F:FC:E9:77:37, sw, mtu 1500Įth3: connecting (getting IP configuration) to System eth3Įthernet (veth), 2A:0E:FF:6E:B3:A3, sw, mtu 1500Īnd ping is working without problems (ping6 -c4 ) etc/sysconfig/network-scripts/route6-eth2 etc/sysconfig/network-scripts/ifcfg-eth3 etc/sysconfig/network-scripts/ifcfg-eth2 etc/sysconfig/network-scripts/ifcfg-eth1 etc/sysconfig/network-scripts/ifcfg-eth0 ![]() Settings inside one of the LXC containers (masked ip-address and changed search domain) Network is setup from within Proxmox Gui like screenshot below. ![]() containers are running Almalinux (migrated from Centos8) ![]()
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