I really appreciate your help. Sorry about the delay in replying; this site blocked me for 14 hours because I’d exceeded a first day user posting limit.
root@gata[/etc/NetworkManager/system-connections]# nmcli connection show
NAME UUID TYPE DEVICE
enp1s0f1 35507e9e-c8a6-47f6-a7bb-75f790c1c7fb ethernet enp1s0f1
bridge 5fd824d9-2ff3-41af-b28f-832dc1abdca9 bridge nm-bridge
teksavvy 3b328d01-8011-4900-a6c6-df2699fc2e31 pppoe eno1
br-slave-1 15e46689-e17f-4b0e-8a33-816fc08e03ee ethernet enp1s0f0
br-slave-2 d0ea0f74-e014-46e5-987f-0e8b60f35517 ethernet enp2s0f0
br-slave-3 4faa3c37-b9dd-48c6-bc6e-658357c6f945 ethernet enp2s0f1
br-slave-2 d8931fde-521f-4336-abe8-9a6e80090d57 ethernet --
br-slave-3 cb94ce72-8979-4102-a66d-daa87069c1f1 ethernet --
eno1 0fb26940-f17e-45bc-a161-c2be2f6a3ca2 ethernet --
enp1s0f0 75c008b3-00ce-452b-9750-92a343ee9fef ethernet --
enp2s0f0 8dcc5603-eb73-4a1e-bd14-3d1c57f3ff07 ethernet --
enp2s0f1 3ac73ba1-2cd2-4add-80eb-3f9728108918 ethernet --
root@gata[/etc/NetworkManager/system-connections]# nmcli connection del uuid d8931fde-521f-4336-abe8-9a6e80090d57
Connection 'br-slave-2' (d8931fde-521f-4336-abe8-9a6e80090d57) successfully deleted.
root@gata[/etc/NetworkManager/system-connections]# nmcli connection del uuid cb94ce72-8979-4102-a66d-daa87069c1f1
Connection 'br-slave-3' (cb94ce72-8979-4102-a66d-daa87069c1f1) successfully deleted.
root@gata[/etc/NetworkManager/system-connections]# nmcli connection show
NAME UUID TYPE DEVICE
enp1s0f1 35507e9e-c8a6-47f6-a7bb-75f790c1c7fb ethernet enp1s0f1
bridge 5fd824d9-2ff3-41af-b28f-832dc1abdca9 bridge nm-bridge
teksavvy 3b328d01-8011-4900-a6c6-df2699fc2e31 pppoe eno1
br-slave-1 15e46689-e17f-4b0e-8a33-816fc08e03ee ethernet enp1s0f0
br-slave-2 d0ea0f74-e014-46e5-987f-0e8b60f35517 ethernet enp2s0f0
br-slave-3 4faa3c37-b9dd-48c6-bc6e-658357c6f945 ethernet enp2s0f1
eno1 0fb26940-f17e-45bc-a161-c2be2f6a3ca2 ethernet --
enp1s0f0 75c008b3-00ce-452b-9750-92a343ee9fef ethernet --
enp2s0f0 8dcc5603-eb73-4a1e-bd14-3d1c57f3ff07 ethernet --
enp2s0f1 3ac73ba1-2cd2-4add-80eb-3f9728108918 ethernet --
Should I delete these?
NAME UUID TYPE DEVICE
enp1s0f0 75c008b3-00ce-452b-9750-92a343ee9fef ethernet --
enp2s0f0 8dcc5603-eb73-4a1e-bd14-3d1c57f3ff07 ethernet --
enp2s0f1 3ac73ba1-2cd2-4add-80eb-3f9728108918 ethernet --