root@epyc:~# cat /var/log/ifupdown2/network_config_ifupdown2_16_Jul-01-2023_12\:15\:58.809373/ifupdown2.debug.log
2023-07-01 12:15:58,809: MainThread: ifupdown2: log.py:196:__init_debug_logging(): debug: persistent debugging is initialized
2023-07-01 12:15:58,906: MainThread: ifupdown2: main.py:229:run_query(): debug: args = Namespace(all=False, iflist=[], verbose=False, debug=False, quiet=False, CLASS=['mgmt'], withdepends=False, perfmode=False, nocache=False, excludepats=None, interfacesfile=None, interfacesfileformat='native', type=None, list=True, running=False, checkcurr=False, raw=False, printsavedstate=False, format='native', printdependency=None, syntaxhelp=False, withdefaults=False, version=None, nldebug=False)
2023-07-01 12:15:58,907: MainThread: ifupdown2: main.py:253:run_query(): debug: creating ifupdown object ..
2023-07-01 12:15:58,907: MainThread: ifupdown2.NetlinkListenerWithCache: nlcache.py:2423:get_all_links_wait_netlinkq(): info: requesting link dump
2023-07-01 12:15:58,910: MainThread: ifupdown2.NetlinkListenerWithCache: nlcache.py:2435:get_all_addresses_wait_netlinkq(): info: requesting address dump
2023-07-01 12:15:58,910: MainThread: ifupdown2.NetlinkListenerWithCache: nlcache.py:2445:get_all_netconf_wait_netlinkq(): info: requesting netconf dump
2023-07-01 12:15:58,912: MainThread: ifupdown2.NetlinkListenerWithCache: nlcache.py:2246:reset_errorq(): debug: nlcache: reset errorq
2023-07-01 12:15:58,912: MainThread: ifupdown: ifupdownmain.py:329:__init__(): debug: {'enable_persistent_debug_logging': 'yes', 'use_daemon': 'no', 'template_enable': '1', 'template_engine': 'mako', 'template_lookuppath': '/etc/network/ifupdown2/templates', 'default_interfaces_configfile': '/etc/network/interfaces', 'disable_cli_interfacesfile': '0', 'addon_syntax_check': '0', 'addon_scripts_support': '1', 'addon_python_modules_support': '1', 'multiple_vlan_aware_bridge_support': '1', 'ifquery_check_success_str': 'pass', 'ifquery_check_error_str': 'fail', 'ifquery_check_unknown_str': '', 'ifquery_ifacename_expand_range': '0', 'link_master_slave': '0', 'delay_admin_state_change': '0', 'ifreload_down_changed': '0', 'addr_config_squash': '0', 'ifaceobj_squash': '0', 'adjust_logical_dev_mtu': '1', 'state_dir': '/run/network/'}
2023-07-01 12:15:58,912: MainThread: ifupdown: ifupdownmain.py:1424:load_addon_modules(): info: loading builtin modules from ['/usr/share/ifupdown2/addons']
2023-07-01 12:15:58,917: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module openvswitch not loaded (module init failed: no /usr/bin/ovs-vsctl found)
2023-07-01 12:15:58,918: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module openvswitch_port not loaded (module init failed: no /usr/bin/ovs-vsctl found)
2023-07-01 12:15:58,929: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module ppp not loaded (module init failed: no /usr/bin/pon found)
2023-07-01 12:15:58,930: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing modprobe -q bonding
2023-07-01 12:15:58,940: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module batman_adv not loaded (module init failed: no /usr/sbin/batctl found)
2023-07-01 12:15:58,956: MainThread: ifupdown.bridge: bridge.py:644:__init__(): debug: bridge: using reserved vlan range (0, 0)
2023-07-01 12:15:58,956: MainThread: ifupdown.bridge: bridge.py:664:__init__(): debug: bridge: init: warn_on_untagged_bridge_absence=False
2023-07-01 12:15:58,956: MainThread: ifupdown.bridge: bridge.py:671:__init__(): debug: bridge: init: vxlan_bridge_default_igmp_snooping=None
2023-07-01 12:15:58,956: MainThread: ifupdown.bridge: bridge.py:680:__init__(): debug: bridge: init: arp_nd_suppress_only_on_vxlan=False
2023-07-01 12:15:58,956: MainThread: ifupdown.bridge: bridge.py:686:__init__(): debug: bridge: init: bridge_always_up_dummy_brport=None
2023-07-01 12:15:58,956: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /sbin/sysctl net.bridge.bridge-allow-multiple-vlans
2023-07-01 12:15:58,957: MainThread: ifupdown.bridge: bridge.py:696:__init__(): debug: bridge: init: multiple vlans allowed True
2023-07-01 12:15:58,960: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module mstpctl not loaded (module init failed: no /sbin/mstpctl found)
2023-07-01 12:15:58,964: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /bin/ip rule show
2023-07-01 12:15:58,968: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /bin/ip -6 rule show
2023-07-01 12:15:59,119: MainThread: ifupdown.address: address.py:298:__policy_get_default_mtu(): info: address: using default mtu 1500
2023-07-01 12:15:59,119: MainThread: ifupdown.address: address.py:312:__policy_get_max_mtu(): info: address: max_mtu undefined
2023-07-01 12:15:59,119: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /sbin/sysctl net.ipv6.conf.all.accept_ra
2023-07-01 12:15:59,120: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /sbin/sysctl net.ipv6.conf.all.autoconf
2023-07-01 12:15:59,122: MainThread: ifupdown: utils.py:301:_log_command_exec(): info: executing /usr/sbin/ip vrf id
2023-07-01 12:15:59,124: MainThread: ifupdown.dhcp: dhcp.py:55:__init__(): info: mgmt vrf_context = False
2023-07-01 12:15:59,124: MainThread: ifupdown.dhcp: dhcp.py:70:__init__(): debug: dhclient: dhclient_retry_on_failure set to 0
2023-07-01 12:15:59,125: MainThread: ifupdown.addressvirtual: addressvirtual.py:99:__init__(): info: executing /bin/ip addr help
2023-07-01 12:15:59,126: MainThread: ifupdown.addressvirtual: addressvirtual.py:104:__init__(): info: address metric support: OK
2023-07-01 12:15:59,128: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module ppp not loaded (module init failed: no /usr/bin/pon found)
2023-07-01 12:15:59,129: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module mstpctl not loaded (module init failed: no /sbin/mstpctl found)
2023-07-01 12:15:59,130: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module batman_adv not loaded (module init failed: no /usr/sbin/batctl found)
2023-07-01 12:15:59,130: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module openvswitch_port not loaded (module init failed: no /usr/bin/ovs-vsctl found)
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1449:load_addon_modules(): info: module openvswitch not loaded (module init failed: no /usr/bin/ovs-vsctl found)
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1536:load_scripts(): info: looking for user scripts under /etc/network
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-pre-up.d ...
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-up.d ...
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-post-up.d ...
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-pre-down.d ...
2023-07-01 12:15:59,131: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-down.d ...
2023-07-01 12:15:59,132: MainThread: ifupdown: ifupdownmain.py:1539:load_scripts(): info: loading scripts under /etc/network/if-post-down.d ...
2023-07-01 12:15:59,132: MainThread: ifupdown: ifupdownmain.py:396:__init__(): info: using mgmt iface default prefix eth
2023-07-01 12:15:59,132: MainThread: ifupdown: ifupdownmain.py:2004:query(): debug: setting flag ALL
2023-07-01 12:15:59,132: MainThread: ifupdown.networkInterfaces: networkinterfaces.py:506:read_file(): info: processing interfaces file /etc/network/interfaces
2023-07-01 12:15:59,132: MainThread: ifupdown.networkInterfaces: networkinterfaces.py:164:process_source(): debug: processing sourced line ..'source /etc/network/interfaces.d/*'
2023-07-01 12:15:59,133: MainThread: ifupdown2: main.py:85:main(): error: main exception: no ifaces found matching given allow lists
2023-07-01 12:15:59,213: MainThread: ifupdown2: log.py:373:write(): info: exit status 1