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Qemu or something similar? The internet suggests the problematic virbr0 may be created by libvirt which is a dependency of Qemu. IIUC, virbr0 is sort of a virtual internet "connection" created specifically for communication with one's virtual machine(s). Here it seems Network Manager is confusing virbr0 for the true connection that it is meant to bring up Best, Wojtek -- (sig_start) website: https://koszko.org/koszko.html PGP: https://koszko.org/key.gpg fingerprint: E972 7060 E3C5 637C 8A4F 4B42 4BC5 221C 5A79 FD1A =E2=99=A5 R29kIGlzIHRoZXJlIGFuZCBsb3ZlcyBtZQ=3D=3D | =C3=B7 c2luIHNlcGFyYXR= lZCBtZSBmcm9tIEhpbQ=3D=3D =E2=9C=9D YnV0IEplc3VzIGRpZWQgdG8gc2F2ZSBtZQ=3D=3D | ? U2hhbGwgSSBiZWNvbWUg= SGlzIGZyaWVuZD8=3D -- (sig_end) On Wed, 12 Apr 2023 15:18:57 +0000 Gottfried wrote: > Hi, >=20 > I didn=E2=80=99t change anything on my laptop or on the ethernet settings= etc. >=20 > and earlier I didn=E2=80=99t have this problem >=20 > It appeared since some weeks and is a new problem. >=20 > That=E2=80=99s why I think there should be a solution >=20 > Kind regards >=20 > Gottfried >=20 >=20 > Am 12.04.23 um 13:30 schrieb Dr. Arne Babenhauserheide: > >=20 > > Gottfried writes: > > =20 > >> I connect my laptop via ethernet cable, LAN, to a router =20 > >=20 > > I have the same problem, but I don=E2=80=99t know a solution. I have th= e problem > > since I replaced my old CPU with a new Ryzen. > >=20 > > Best wishes, > > Arne =20 >=20 --Sig_/NR0Xh5V.vsH_awvzADYM7Cr Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYIAB0WIQTpcnBg48VjfIpPS0JLxSIcWnn9GgUCZDbTpwAKCRBLxSIcWnn9 GlY+APoCKj1qVFIRY7NgfWXKl7nhiD/2rY4dySeQeHQTLaXv6gEAzPoeNvuB5lG6 d6bWEXZ95qzWje0CTPg8QWP6JapaTAc= =YpD9 -----END PGP SIGNATURE----- --Sig_/NR0Xh5V.vsH_awvzADYM7Cr--