Centos LXD deployments affected when using a Jammy host

Hello,

I am running Jammy on a dev box and am hitting some interesting issues launching centos7 lxd containers. Please keep in mind that launching the containers works as expected using 20.04.

I seemed to be blocked from using centos7 containers in general and with Juju.

$ juju add-machine --series centos7

$ juju status | grep centos7
15       pending                  juju-91c14c-15  centos7      Running
$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 22.04.1 LTS
Release:	22.04
Codename:	jammy

$ lxd --version
5.6

$ snap info lxd | grep installed
installed:          5.6-794016a              (23680) 142MB -

$ snap info juju | grep installed
installed:          2.9.34                       (20510) 95MB classic 

Try to launch centos7 upstream image.

$ lxc launch images:centos/7/amd64
Creating the instance
Instance name is: inviting-macaw
Starting inviting-macaw
Error: The image used by this instance requires a CGroupV1 host system
Try `lxc info --show-log local:inviting-macaw` for more info
$ lxc launch images:centos/7/amd64 --debug
DEBUG  [2022-10-07T16:39:26Z] Connecting to a local LXD over a Unix socket
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=GET url="http://unix.socket/1.0"
DEBUG  [2022-10-07T16:39:26Z] Got response struct from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"config": {
			"core.https_address": "[::]"
		},
		"api_extensions": [
			"storage_zfs_remove_snapshots",
			"container_host_shutdown_timeout",
			"container_stop_priority",
			"container_syscall_filtering",
			"auth_pki",
			"container_last_used_at",
			"etag",
			"patch",
			"usb_devices",
			"https_allowed_credentials",
			"image_compression_algorithm",
			"directory_manipulation",
			"container_cpu_time",
			"storage_zfs_use_refquota",
			"storage_lvm_mount_options",
			"network",
			"profile_usedby",
			"container_push",
			"container_exec_recording",
			"certificate_update",
			"container_exec_signal_handling",
			"gpu_devices",
			"container_image_properties",
			"migration_progress",
			"id_map",
			"network_firewall_filtering",
			"network_routes",
			"storage",
			"file_delete",
			"file_append",
			"network_dhcp_expiry",
			"storage_lvm_vg_rename",
			"storage_lvm_thinpool_rename",
			"network_vlan",
			"image_create_aliases",
			"container_stateless_copy",
			"container_only_migration",
			"storage_zfs_clone_copy",
			"unix_device_rename",
			"storage_lvm_use_thinpool",
			"storage_rsync_bwlimit",
			"network_vxlan_interface",
			"storage_btrfs_mount_options",
			"entity_description",
			"image_force_refresh",
			"storage_lvm_lv_resizing",
			"id_map_base",
			"file_symlinks",
			"container_push_target",
			"network_vlan_physical",
			"storage_images_delete",
			"container_edit_metadata",
			"container_snapshot_stateful_migration",
			"storage_driver_ceph",
			"storage_ceph_user_name",
			"resource_limits",
			"storage_volatile_initial_source",
			"storage_ceph_force_osd_reuse",
			"storage_block_filesystem_btrfs",
			"resources",
			"kernel_limits",
			"storage_api_volume_rename",
			"macaroon_authentication",
			"network_sriov",
			"console",
			"restrict_devlxd",
			"migration_pre_copy",
			"infiniband",
			"maas_network",
			"devlxd_events",
			"proxy",
			"network_dhcp_gateway",
			"file_get_symlink",
			"network_leases",
			"unix_device_hotplug",
			"storage_api_local_volume_handling",
			"operation_description",
			"clustering",
			"event_lifecycle",
			"storage_api_remote_volume_handling",
			"nvidia_runtime",
			"container_mount_propagation",
			"container_backup",
			"devlxd_images",
			"container_local_cross_pool_handling",
			"proxy_unix",
			"proxy_udp",
			"clustering_join",
			"proxy_tcp_udp_multi_port_handling",
			"network_state",
			"proxy_unix_dac_properties",
			"container_protection_delete",
			"unix_priv_drop",
			"pprof_http",
			"proxy_haproxy_protocol",
			"network_hwaddr",
			"proxy_nat",
			"network_nat_order",
			"container_full",
			"candid_authentication",
			"backup_compression",
			"candid_config",
			"nvidia_runtime_config",
			"storage_api_volume_snapshots",
			"storage_unmapped",
			"projects",
			"candid_config_key",
			"network_vxlan_ttl",
			"container_incremental_copy",
			"usb_optional_vendorid",
			"snapshot_scheduling",
			"snapshot_schedule_aliases",
			"container_copy_project",
			"clustering_server_address",
			"clustering_image_replication",
			"container_protection_shift",
			"snapshot_expiry",
			"container_backup_override_pool",
			"snapshot_expiry_creation",
			"network_leases_location",
			"resources_cpu_socket",
			"resources_gpu",
			"resources_numa",
			"kernel_features",
			"id_map_current",
			"event_location",
			"storage_api_remote_volume_snapshots",
			"network_nat_address",
			"container_nic_routes",
			"rbac",
			"cluster_internal_copy",
			"seccomp_notify",
			"lxc_features",
			"container_nic_ipvlan",
			"network_vlan_sriov",
			"storage_cephfs",
			"container_nic_ipfilter",
			"resources_v2",
			"container_exec_user_group_cwd",
			"container_syscall_intercept",
			"container_disk_shift",
			"storage_shifted",
			"resources_infiniband",
			"daemon_storage",
			"instances",
			"image_types",
			"resources_disk_sata",
			"clustering_roles",
			"images_expiry",
			"resources_network_firmware",
			"backup_compression_algorithm",
			"ceph_data_pool_name",
			"container_syscall_intercept_mount",
			"compression_squashfs",
			"container_raw_mount",
			"container_nic_routed",
			"container_syscall_intercept_mount_fuse",
			"container_disk_ceph",
			"virtual-machines",
			"image_profiles",
			"clustering_architecture",
			"resources_disk_id",
			"storage_lvm_stripes",
			"vm_boot_priority",
			"unix_hotplug_devices",
			"api_filtering",
			"instance_nic_network",
			"clustering_sizing",
			"firewall_driver",
			"projects_limits",
			"container_syscall_intercept_hugetlbfs",
			"limits_hugepages",
			"container_nic_routed_gateway",
			"projects_restrictions",
			"custom_volume_snapshot_expiry",
			"volume_snapshot_scheduling",
			"trust_ca_certificates",
			"snapshot_disk_usage",
			"clustering_edit_roles",
			"container_nic_routed_host_address",
			"container_nic_ipvlan_gateway",
			"resources_usb_pci",
			"resources_cpu_threads_numa",
			"resources_cpu_core_die",
			"api_os",
			"container_nic_routed_host_table",
			"container_nic_ipvlan_host_table",
			"container_nic_ipvlan_mode",
			"resources_system",
			"images_push_relay",
			"network_dns_search",
			"container_nic_routed_limits",
			"instance_nic_bridged_vlan",
			"network_state_bond_bridge",
			"usedby_consistency",
			"custom_block_volumes",
			"clustering_failure_domains",
			"resources_gpu_mdev",
			"console_vga_type",
			"projects_limits_disk",
			"network_type_macvlan",
			"network_type_sriov",
			"container_syscall_intercept_bpf_devices",
			"network_type_ovn",
			"projects_networks",
			"projects_networks_restricted_uplinks",
			"custom_volume_backup",
			"backup_override_name",
			"storage_rsync_compression",
			"network_type_physical",
			"network_ovn_external_subnets",
			"network_ovn_nat",
			"network_ovn_external_routes_remove",
			"tpm_device_type",
			"storage_zfs_clone_copy_rebase",
			"gpu_mdev",
			"resources_pci_iommu",
			"resources_network_usb",
			"resources_disk_address",
			"network_physical_ovn_ingress_mode",
			"network_ovn_dhcp",
			"network_physical_routes_anycast",
			"projects_limits_instances",
			"network_state_vlan",
			"instance_nic_bridged_port_isolation",
			"instance_bulk_state_change",
			"network_gvrp",
			"instance_pool_move",
			"gpu_sriov",
			"pci_device_type",
			"storage_volume_state",
			"network_acl",
			"migration_stateful",
			"disk_state_quota",
			"storage_ceph_features",
			"projects_compression",
			"projects_images_remote_cache_expiry",
			"certificate_project",
			"network_ovn_acl",
			"projects_images_auto_update",
			"projects_restricted_cluster_target",
			"images_default_architecture",
			"network_ovn_acl_defaults",
			"gpu_mig",
			"project_usage",
			"network_bridge_acl",
			"warnings",
			"projects_restricted_backups_and_snapshots",
			"clustering_join_token",
			"clustering_description",
			"server_trusted_proxy",
			"clustering_update_cert",
			"storage_api_project",
			"server_instance_driver_operational",
			"server_supported_storage_drivers",
			"event_lifecycle_requestor_address",
			"resources_gpu_usb",
			"clustering_evacuation",
			"network_ovn_nat_address",
			"network_bgp",
			"network_forward",
			"custom_volume_refresh",
			"network_counters_errors_dropped",
			"metrics",
			"image_source_project",
			"clustering_config",
			"network_peer",
			"linux_sysctl",
			"network_dns",
			"ovn_nic_acceleration",
			"certificate_self_renewal",
			"instance_project_move",
			"storage_volume_project_move",
			"cloud_init",
			"network_dns_nat",
			"database_leader",
			"instance_all_projects",
			"clustering_groups",
			"ceph_rbd_du",
			"instance_get_full",
			"qemu_metrics",
			"gpu_mig_uuid",
			"event_project",
			"clustering_evacuation_live",
			"instance_allow_inconsistent_copy",
			"network_state_ovn",
			"storage_volume_api_filtering",
			"image_restrictions",
			"storage_zfs_export",
			"network_dns_records",
			"storage_zfs_reserve_space",
			"network_acl_log",
			"storage_zfs_blocksize",
			"metrics_cpu_seconds",
			"instance_snapshot_never",
			"certificate_token",
			"instance_nic_routed_neighbor_probe",
			"event_hub",
			"agent_nic_config",
			"projects_restricted_intercept",
			"metrics_authentication",
			"images_target_project",
			"cluster_migration_inconsistent_copy",
			"cluster_ovn_chassis",
			"container_syscall_intercept_sched_setscheduler",
			"storage_lvm_thinpool_metadata_size",
			"storage_volume_state_total",
			"instance_file_head",
			"instances_nic_host_name",
			"image_copy_profile",
			"container_syscall_intercept_sysinfo",
			"clustering_evacuation_mode",
			"resources_pci_vpd",
			"qemu_raw_conf",
			"storage_cephfs_fscache",
			"network_load_balancer",
			"vsock_api",
			"instance_ready_state",
			"network_bgp_holdtime",
			"storage_volumes_all_projects",
			"metrics_memory_oom_total",
			"storage_buckets",
			"storage_buckets_create_credentials",
			"metrics_cpu_effective_total",
			"projects_networks_restricted_access",
			"storage_buckets_local",
			"loki"
		],
		"api_status": "stable",
		"api_version": "1.0",
		"auth": "trusted",
		"public": false,
		"auth_methods": [
			"tls"
		],
		"environment": {
			"addresses": [
				"192.168.7.10:8443",
				"172.17.0.1:8443",
				"10.158.215.1:8443",
				"10.1.218.0:8443"
			],
			"architectures": [
				"x86_64",
				"i686"
			],
			"certificate": "-----BEGIN CERTIFICATE-----\nMIIB+TCCAYCgAwIBAgIQBUboQB/5csnl61SrG78ykDAKBggqhkjOPQQDAzAxMRww\nGgYDVQQKExNsaW51eGNvbnRhaW5lcnMub3JnMREwDwYDVQQDDAhyb290QGJkeDAe\nFw0yMjA5MDMxODMxMjdaFw0zMjA4MzExODMxMjdaMDExHDAaBgNVBAoTE2xpbnV4\nY29udGFpbmVycy5vcmcxETAPBgNVBAMMCHJvb3RAYmR4MHYwEAYHKoZIzj0CAQYF\nK4EEACIDYgAEbToJsr2Z/QhOpmphFidPIZU9mod+ogGSANM3gasZqKKVXdOiyI5Z\nXjLa9XneSAdQP5HQjKMEai5yDGqEsuzT54TbnMoVWkUz5YQJz/V9c/MO3X3VWnBz\nF25pgyC30F8co10wWzAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0lBAwwCgYIKwYBBQUH\nAwEwDAYDVR0TAQH/BAIwADAmBgNVHREEHzAdggNiZHiHBH8AAAGHEAAAAAAAAAAA\nAAAAAAAAAAEwCgYIKoZIzj0EAwMDZwAwZAIwBk7x2PCL4sVpyy7z113wrrN8vTNQ\nYSChkKF37WMJtn6HY3idDyF3WM5gkiZP59M5AjA3M4J8BFygppIopXDMkyW62eFE\n8AY7LDjf6ECyX6j0mIH4R8jECT0PkkteyQ65ybU=\n-----END CERTIFICATE-----\n",
			"certificate_fingerprint": "6f962636c7c072c4fc3add998d5fd6544a684d248383bf99d61fc91fd80a7d3a",
			"driver": "lxc | qemu",
			"driver_version": "5.0.1 | 7.1.0",
			"firewall": "nftables",
			"kernel": "Linux",
			"kernel_architecture": "x86_64",
			"kernel_features": {
				"idmapped_mounts": "true",
				"netnsid_getifaddrs": "true",
				"seccomp_listener": "true",
				"seccomp_listener_continue": "true",
				"shiftfs": "false",
				"uevent_injection": "true",
				"unpriv_fscaps": "true"
			},
			"kernel_version": "5.15.0-48-generic",
			"lxc_features": {
				"cgroup2": "true",
				"core_scheduling": "true",
				"devpts_fd": "true",
				"idmapped_mounts_v2": "true",
				"mount_injection_file": "true",
				"network_gateway_device_route": "true",
				"network_ipvlan": "true",
				"network_l2proxy": "true",
				"network_phys_macvlan_mtu": "true",
				"network_veth_router": "true",
				"pidfd": "true",
				"seccomp_allow_deny_syntax": "true",
				"seccomp_notify": "true",
				"seccomp_proxy_send_notify_fd": "true"
			},
			"os_name": "Ubuntu",
			"os_version": "22.04",
			"project": "default",
			"server": "lxd",
			"server_clustered": false,
			"server_event_mode": "full-mesh",
			"server_name": "raton00",
			"server_pid": 2756,
			"server_version": "5.6",
			"storage": "dir | zfs | btrfs",
			"storage_version": "1 | 2.1.4-0ubuntu0.1 | 5.4.1",
			"storage_supported_drivers": [
				{
					"Name": "ceph",
					"Version": "15.2.16",
					"Remote": true
				},
				{
					"Name": "cephfs",
					"Version": "15.2.16",
					"Remote": true
				},
				{
					"Name": "cephobject",
					"Version": "15.2.16",
					"Remote": true
				},
				{
					"Name": "dir",
					"Version": "1",
					"Remote": false
				},
				{
					"Name": "lvm",
					"Version": "2.03.07(2) (2019-11-30) / 1.02.167 (2019-11-30) / 4.45.0",
					"Remote": false
				},
				{
					"Name": "zfs",
					"Version": "2.1.4-0ubuntu0.1",
					"Remote": false
				},
				{
					"Name": "btrfs",
					"Version": "5.4.1",
					"Remote": false
				}
			]
		}
	}
Creating the instance
DEBUG  [2022-10-07T16:39:26Z] Connecting to a remote simplestreams server   URL="https://images.linuxcontainers.org"
DEBUG  [2022-10-07T16:39:26Z] Connected to the websocket: ws://unix.socket/1.0/events
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=POST url="http://unix.socket/1.0/instances"
DEBUG  [2022-10-07T16:39:26Z]
	{
		"architecture": "",
		"config": {},
		"devices": {},
		"ephemeral": false,
		"profiles": null,
		"stateful": false,
		"description": "",
		"name": "",
		"source": {
			"type": "image",
			"certificate": "",
			"alias": "centos/7/amd64",
			"server": "https://images.linuxcontainers.org",
			"protocol": "simplestreams",
			"mode": "pull",
			"allow_inconsistent": false
		},
		"instance_type": "",
		"type": "container"
	}
DEBUG  [2022-10-07T16:39:26Z] Got operation from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"id": "2e7ed9d7-563d-4b49-9ec1-6bf57ea620c7",
		"class": "task",
		"description": "Creating instance",
		"created_at": "2022-10-07T16:39:26.47522011Z",
		"updated_at": "2022-10-07T16:39:26.47522011Z",
		"status": "Running",
		"status_code": 103,
		"resources": {
			"containers": [
				"/1.0/containers/massive-dinosaur"
			],
			"instances": [
				"/1.0/instances/massive-dinosaur"
			]
		},
		"metadata": null,
		"may_cancel": false,
		"err": "",
		"location": "none"
	}
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=GET url="http://unix.socket/1.0/operations/2e7ed9d7-563d-4b49-9ec1-6bf57ea620c7"
DEBUG  [2022-10-07T16:39:26Z] Got response struct from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"id": "2e7ed9d7-563d-4b49-9ec1-6bf57ea620c7",
		"class": "task",
		"description": "Creating instance",
		"created_at": "2022-10-07T16:39:26.47522011Z",
		"updated_at": "2022-10-07T16:39:26.47522011Z",
		"status": "Running",
		"status_code": 103,
		"resources": {
			"containers": [
				"/1.0/containers/massive-dinosaur"
			],
			"instances": [
				"/1.0/instances/massive-dinosaur"
			]
		},
		"metadata": null,
		"may_cancel": false,
		"err": "",
		"location": "none"
	}
Instance name is: massive-dinosaur
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=GET url="http://unix.socket/1.0/instances/massive-dinosaur"
DEBUG  [2022-10-07T16:39:26Z] Got response struct from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"architecture": "x86_64",
		"config": {
			"image.architecture": "amd64",
			"image.description": "Centos 7 amd64 (20221007_07:08)",
			"image.os": "Centos",
			"image.release": "7",
			"image.requirements.cgroup": "v1",
			"image.serial": "20221007_07:08",
			"image.type": "squashfs",
			"image.variant": "default",
			"volatile.apply_template": "create",
			"volatile.base_image": "26f5f8a7ee17c67f918b9dc0386b0a50a3437ed1b35794105849684239f367e3",
			"volatile.cloud-init.instance-id": "4a420f24-e5c3-4b4f-ba84-f0fb4bd07192",
			"volatile.eth0.hwaddr": "00:16:3e:fa:27:bf",
			"volatile.idmap.base": "0",
			"volatile.idmap.next": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000000000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000000000}]",
			"volatile.last_state.idmap": "[]",
			"volatile.uuid": "aeb4ae20-eeeb-4e73-8569-815e0779b211"
		},
		"devices": {},
		"ephemeral": false,
		"profiles": [
			"default"
		],
		"stateful": false,
		"description": "",
		"created_at": "2022-10-07T16:39:26.550066651Z",
		"expanded_config": {
			"image.architecture": "amd64",
			"image.description": "Centos 7 amd64 (20221007_07:08)",
			"image.os": "Centos",
			"image.release": "7",
			"image.requirements.cgroup": "v1",
			"image.serial": "20221007_07:08",
			"image.type": "squashfs",
			"image.variant": "default",
			"volatile.apply_template": "create",
			"volatile.base_image": "26f5f8a7ee17c67f918b9dc0386b0a50a3437ed1b35794105849684239f367e3",
			"volatile.cloud-init.instance-id": "4a420f24-e5c3-4b4f-ba84-f0fb4bd07192",
			"volatile.eth0.hwaddr": "00:16:3e:fa:27:bf",
			"volatile.idmap.base": "0",
			"volatile.idmap.next": "[{\"Isuid\":true,\"Isgid\":false,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000000000},{\"Isuid\":false,\"Isgid\":true,\"Hostid\":1000000,\"Nsid\":0,\"Maprange\":1000000000}]",
			"volatile.last_state.idmap": "[]",
			"volatile.uuid": "aeb4ae20-eeeb-4e73-8569-815e0779b211"
		},
		"expanded_devices": {
			"eth0": {
				"name": "eth0",
				"network": "lxdbr0",
				"type": "nic"
			},
			"root": {
				"path": "/",
				"pool": "zfs-pool",
				"type": "disk"
			}
		},
		"name": "massive-dinosaur",
		"status": "Stopped",
		"status_code": 102,
		"last_used_at": "1970-01-01T00:00:00Z",
		"location": "none",
		"type": "container",
		"project": "default"
	}
Starting massive-dinosaur
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=PUT url="http://unix.socket/1.0/instances/massive-dinosaur/state"
DEBUG  [2022-10-07T16:39:26Z]
	{
		"action": "start",
		"timeout": -1,
		"force": false,
		"stateful": false
	}
DEBUG  [2022-10-07T16:39:26Z] Got operation from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"id": "e116f3f4-5f26-41cd-aaee-e48a8d0ab95b",
		"class": "task",
		"description": "Starting instance",
		"created_at": "2022-10-07T16:39:26.698924181Z",
		"updated_at": "2022-10-07T16:39:26.698924181Z",
		"status": "Running",
		"status_code": 103,
		"resources": {
			"instances": [
				"/1.0/instances/massive-dinosaur"
			]
		},
		"metadata": null,
		"may_cancel": false,
		"err": "",
		"location": "none"
	}
DEBUG  [2022-10-07T16:39:26Z] Sending request to LXD                        etag= method=GET url="http://unix.socket/1.0/operations/e116f3f4-5f26-41cd-aaee-e48a8d0ab95b"
DEBUG  [2022-10-07T16:39:26Z] Got response struct from LXD
DEBUG  [2022-10-07T16:39:26Z]
	{
		"id": "e116f3f4-5f26-41cd-aaee-e48a8d0ab95b",
		"class": "task",
		"description": "Starting instance",
		"created_at": "2022-10-07T16:39:26.698924181Z",
		"updated_at": "2022-10-07T16:39:26.698924181Z",
		"status": "Running",
		"status_code": 103,
		"resources": {
			"instances": [
				"/1.0/instances/massive-dinosaur"
			]
		},
		"metadata": null,
		"may_cancel": false,
		"err": "",
		"location": "none"
	}
Error: The image used by this instance requires a CGroupV1 host system
Try `lxc info --show-log local:massive-dinosaur` for more info

If I build and import my own centos7 as opposed to using the upstream image, I am able launch the centos7 container, but it doesn’t get an ipaddress.

 $ lxc launch juju/centos7/amd64 jca
Creating jca
Starting jca

$ lxc list | grep jca
| jca                 | RUNNING |                        |      | CONTAINER       | 0         |

We can see the ubuntu container does get an ipaddress though.

$ lxc launch ubuntu:22.04
Creating the instance
Instance name is: certain-mammoth
Starting certain-mammoth

$ lxc list | grep certain-mammoth
| certain-mammoth     | RUNNING | 10.158.215.85 (eth0)   |      | CONTAINER       | 0         |

Introspecting a bit further, it seems the instance interface just doesn’t want to take an ip address, even when I try to force it by defining a static ip :frowning:

# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
IPADDR=10.158.215.242
NETMASK=255.255.255.0
GATEWAY=10.158.215.1

[root@c1 ~]# ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::216:3eff:fea9:4b2d  prefixlen 64  scopeid 0x20<link>
        ether 00:16:3e:a9:4b:2d  txqueuelen 1000  (Ethernet)
        RX packets 25  bytes 1846 (1.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 21  bytes 1662 (1.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

I suppose this is more of a lxd issue than a Juju issue, but Juju is definitely affected as centos7 deployments no longer work using the lxd/localhost provider.

Any ideas?

Possibly I need to file a bug with lxd somewhere.

Thank you

Looks like the host machine must switch to use cgroup1 in order to launch centos containers, https://discuss.linuxcontainers.org/t/cannot-launch-centos7-images-using-a-jammy-host/15306/2?u=jamesbeedy

To force Jammy to use cgroup1:

  1. Add systemd.unified_cgroup_hierarchy=0 to the GRUB_CMDLINE_LINUX_DEFAULT in the /etc/default/grub file.
sudo -e /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="systemd.unified_cgroup_hierarchy=0"
  1. Update grub
sudo update-grub
  1. Reboot machine
sudo reboot
  1. Launch centos7
$ lxc launch images:centos/7/amd64
Creating the instance
Instance name is: sacred-serval
Starting sacred-serval


$ lxc list | grep sacred-serval
| sacred-serval       | RUNNING | 10.158.215.129 (eth0)  |      | CONTAINER       | 0

There we have it!

2 Likes