After recent updates on f43, there are complications on the network.

:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
   link/loopback 00:00:00:00:00:00brd 00:00:00:00:00:00
   inet 127.0.0.1/8 scope host lo
      valid_lft forever preferred_lft forever
   inet6 ::1/128 scope host noprefixroute
      valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master virbr0 state UP group default qlen 1
000
   link/ether 18:60:24:b1:dc:82brd ff:ff:ff:ff:ff:ff
   altname enp0s25
   altname enx186024b1dc82
4: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
   link/ether 18:60:24:b1:dc:82brd ff:ff:ff:ff:ff:ff
   inet 192.168.1.62/24 brd 192.168.1.255 scope global dynamic noprefixroute virbr0
      valid_lft 30731sec preferred_lft 30731sec
   inet6 2600:6c5d:2200:3375::138d/128 scope global dynamic noprefixroute
      valid_lft 592333sec preferred_lft 592333sec
   inet6 2600:6c5d:2200:3375:eb9:9833:922a:54bd/64 scope global dynamic noprefixroute
      valid_lft 604768sec preferred_lft 604768sec
   inet6 fe80::7a2c:f9d3:f79b:a094/64 scope link noprefixroute
      valid_lft forever preferred_lft forever

None of my virtual machines will connect on

Virtualnetwork 'default':Nat

e1000

as they used to connect. Can connect with switch to bridged on virbr0. The ip address shown for vibr0 is what is expected for eno1.

Lots of chatter in journalctl but nothing that means anything to me.

Dec 14 12:47:26 HPZ440.attlocal.net kernel: e1000e 0000:00:19.0 eno1: renamed from eth0


Dec 14 12:47:30 HPZ440.attlocal.net NetworkManager[1221]: <info>  [1765734450.6491] manager: (eno1): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2) Dec 14 12:47:30 HPZ440.attlocal.net NetworkManager[1221]: <info>  [1765734450.6493] device (eno1): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external') Dec 14 12:47:30 HPZ440.attlocal.net systemd[1]: Started NetworkManager-dispatcher.service - Network Manager Script Dispatcher Service. Dec 14 12:47:30 HPZ440.attlocal.net audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Dec 14 12:47:30 HPZ440.attlocal.net NetworkManager[1221]: <info>  [1765734450.8309] manager: (virbr0): new Bridge device (/org/freedesktop/NetworkManager/Devices/3) Dec 14 12:47:30 HPZ440.attlocal.net kernel: bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. Dec 14 12:47:30 HPZ440.attlocal.net NetworkManager[1221]: <info>  [1765734450.8950] device (virbr0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external') Dec 14 12:47:30 HPZ440.attlocal.net systemd[1]: Started NetworkManager.service - Network Manager. Dec 14 12:47:30 HPZ440.attlocal.net audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=NetworkManager comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'

What can I look for to diagnose this problem?
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