I have a Macbook Air (M1, 2020) with macOs Big Sur installed. I just wiped my device and reinstalled the OS. What I want to do, is change, remove or add interfaces, but I can't. Evertime I try to change something ifconfig: ioctl (SIOCDIFADDR): Can't assign requested address appears.

I already tried

sudo ifconfig [interface] down sudo route flush sudo ifconfig [interface] up 

Doesn't change anything.

Here's my ifconfig output:

lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=1203<RXCSUM,TXCSUM,TXSTATUS,SW_TIMESTAMP> inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 nd6 options=201<PERFORMNUD,DAD> gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 stf0: flags=0<> mtu 1280 anpi0: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:29:40:24:74:78 inet6 fe80::1c29:40ff:fe24:7478%anpi0 prefixlen 64 scopeid 0x4 nd6 options=201<PERFORMNUD,DAD> media: none status: inactive anpi1: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:29:40:24:74:79 inet6 fe80::1c29:40ff:fe24:7479%anpi1 prefixlen 64 scopeid 0x5 nd6 options=201<PERFORMNUD,DAD> media: none status: inactive ap1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 3a:3e:ef:dd:ff:1c nd6 options=201<PERFORMNUD,DAD> media: autoselect status: inactive en3: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:29:40:24:74:58 nd6 options=201<PERFORMNUD,DAD> media: none status: inactive en5: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:29:40:24:74:59 nd6 options=201<PERFORMNUD,DAD> media: none status: inactive en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 18:3e:ef:dd:ff:1c nd6 options=201<PERFORMNUD,DAD> media: autoselect (<unknown type>) status: inactive en1: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500 options=460<TSO4,TSO6,CHANNEL_IO> ether 36:70:27:78:e3:80 media: autoselect <full-duplex> status: inactive en2: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500 options=460<TSO4,TSO6,CHANNEL_IO> ether 36:70:27:78:e3:84 media: autoselect <full-duplex> status: inactive awdl0: flags=8902<BROADCAST,PROMISC,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:b0:66:eb:50:ac nd6 options=201<PERFORMNUD,DAD> media: autoselect status: inactive llw0: flags=8822<BROADCAST,SMART,SIMPLEX,MULTICAST> mtu 1500 options=400<CHANNEL_IO> ether 1e:b0:66:eb:50:ac nd6 options=201<PERFORMNUD,DAD> media: autoselect status: inactive utun2: flags=8050<POINTOPOINT,RUNNING,MULTICAST> mtu 1380 inet6 fe80::c171:924:274f:c2a1%utun2 prefixlen 64 scopeid 0x13 nd6 options=201<PERFORMNUD,DAD> utun3: flags=8050<POINTOPOINT,RUNNING,MULTICAST> mtu 2000 inet6 fe80::6422:e4c5:67c3:5e9c%utun3 prefixlen 64 scopeid 0x14 nd6 options=201<PERFORMNUD,DAD> en4: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=6467<RXCSUM,TXCSUM,VLAN_MTU,TSO4,TSO6,CHANNEL_IO,PARTIAL_CSUM,ZEROINVERT_CSUM> ether 00:e0:4c:68:04:bb inet6 fe80::1cb8:705d:659f:c6d7%en4 prefixlen 64 secured scopeid 0x8 inet6 2a02:2454:5b0:7c00:c06:118c:8e39:515d prefixlen 64 autoconf secured inet6 2a02:2454:5b0:7c00:14a3:cad1:473a:7f25 prefixlen 64 autoconf temporary inet 192.168.0.5 netmask 0xffffff00 broadcast 192.168.0.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect (1000baseT <full-duplex>) status: active 

And here's my routing table (remember, immediately after I reinstalled the OS!):

Routing tables Internet: Destination Gateway Flags Netif Expire default 192.168.0.1 UGScg en4 127 localhost UCS lo0 localhost localhost UH lo0 169.254 link#8 UCS en4 ! 192.168.0 link#8 UCS en4 ! 192.168.0.1/32 link#8 UCS en4 ! 192.168.0.1 dc:53:7c:77:30:b8 UHLWIir en4 1134 192.168.0.5/32 link#8 UCS en4 ! 224.0.0/4 link#8 UmCS en4 ! 224.0.0.251 1:0:5e:0:0:fb UHmLWI en4 255.255.255.255/32 link#8 UCS en4 ! Internet6: Destination Gateway Flags Netif Expire default fe80::de53:7cff:fe UGcg en4 localhost localhost UHL lo0 2a02-2454-5b0-7c00 link#8 UC en4 2a02-2454-5b0-7c00 fe80::de53:7cff:fe UGc en4 2a02-2454-5b0-7c00 0:e0:4c:68:4:bb UHL lo0 2a02-2454-5b0-7c00 0:e0:4c:68:4:bb UHL lo0 2a02-2454-5b0-7c00 link#8 UHLWI en4 fe80::%lo0 fe80::1%lo0 UcI lo0 fe80::1%lo0 link#1 UHLI lo0 fe80::%anpi0 link#4 UCI anpi0 fe80::1c29:40ff:fe 1e:29:40:24:74:78 UHLI lo0 fe80::%anpi1 link#5 UCI anpi1 fe80::1c29:40ff:fe 1e:29:40:24:74:79 UHLI lo0 fe80::%en4 link#8 UCI en4 fe80::1cb8:705d:65 0:e0:4c:68:4:bb UHLI lo0 fe80::de53:7cff:fe dc:53:7c:77:30:b8 UHLWIir en4 fe80::%utun2 fe80::c171:924:274 UcI utun2 fe80::c171:924:274 link#19 UHLI lo0 fe80::%utun3 fe80::6422:e4c5:67 UcI utun3 fe80::6422:e4c5:67 link#20 UHLI lo0 ff00:: localhost UmCI lo0 ff00:: link#4 UmCI anpi0 ff00:: link#5 UmCI anpi1 ff00:: link#8 UmCI en4 ff00:: link#14 UmCI awdl0 ff00:: link#15 UmCI llw0 ff00:: fe80::c171:924:274 UmCI utun2 ff00:: fe80::6422:e4c5:67 UmCI utun3 ff01::%lo0 localhost UmCI lo0 ff01::%anpi0 link#4 UmCI anpi0 ff01::%anpi1 link#5 UmCI anpi1 ff01::%en4 link#8 UmCI en4 ff01::%awdl0 link#14 UmCI awdl0 ff01::%llw0 link#15 UmCI llw0 ff01::%utun2 fe80::c171:924:274 UmCI utun2 ff01::%utun3 fe80::6422:e4c5:67 UmCI utun3 ff02::%lo0 localhost UmCI lo0 ff02::%anpi0 link#4 UmCI anpi0 ff02::%anpi1 link#5 UmCI anpi1 ff02::%en4 link#8 UmCI en4 ff02::%awdl0 link#14 UmCI awdl0 ff02::%llw0 link#15 UmCI llw0 ff02::%utun2 fe80::c171:924:274 UmCI utun2 ff02::%utun3 fe80::6422:e4c5:67 UmCI utun3 

Any suggestions what I could try to circumvent this error or what's going on on my network?

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