Pi3B/3B+ wifi error "Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt failed with error -2"

[nettings]

[    7.426680] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[    7.433847] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[    7.434127] usbcore: registered new interface driver brcmfmac
[    7.455388] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt failed with error -2
[    7.664331] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio for chip BCM43430/1
[    7.664486] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available
[    7.665416] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 22 2019 01:59:28 version 7.45.98.94 (r723000 CY) FWID 01-3b33decd
[    7.722902] brcmfmac mmc1:0001:1 medianet1: renamed from wlan0
[    8.977296] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
[    9.108964] EXT4-fs (mmcblk0p3): mounted filesystem with journalled data mode. Opts: data=journal
[   10.111823] random: crng init done
[   10.111866] random: 7 urandom warning(s) missed due to ratelimiting
[   10.570323] 8021q: 802.1Q VLAN Support v1.8
[   10.952836] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[   11.289162] smsc95xx 1-1.1:1.0 medianet0: hardware isn't capable of remote wakeup
[   12.876889] smsc95xx 1-1.1:1.0 medianet0: link up, 100Mbps, full-duplex, lpa 0xC5E1
[   14.879145] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.medianet0.retrans_time - use net.ipv6.neigh.medianet0.retrans_time_ms instead
[   65.857501] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
medianet@mn-rpi3b:~ $ mn_info 
Hardware: Raspberry Pi 3 Model B Rev 1.2 (0 GB RAM)

System software: Raspbian GNU/Linux 10 (buster)
medianet overlay: Sun Dec 27 22:12:08 2020 +0100 856e3374fea1881fc996dabe83ecedb409fa65f7

VPLab - [mn] medianet legacy hardware RPi3B testbed
Location: Frankenlab
Configuration: 2020-12-28

medianet@mn-rpi3b:~ $ uname -a
Linux mn-rpi3b 5.4.79-v7+ #1373 SMP Mon Nov 23 13:22:33 GMT 2020 armv7l GNU/Linux

[nettings]

We don't usually test wifi on the nodes (it's deactivated in the default config), maybe that should be changed.

[nettings]

same on Pi3B+:

[    7.513183] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    7.513787] usbcore: registered new interface driver brcmfmac
[    7.547041] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.txt failed with error -2
[    7.767826] random: crng init done
[    7.767842] random: 7 urandom warning(s) missed due to ratelimiting
[    7.772458] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[    7.785401] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 23 2020 02:19:54 version 7.45.206 (r725000 CY) FWID 01-88ee44ea
[    7.848537] brcmfmac mmc1:0001:1 medianet1: renamed from wlan0
[    8.776532] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
[    8.813856] EXT4-fs (mmcblk0p3): mounted filesystem with journalled data mode. Opts: data=journal
[   10.255625] 8021q: 802.1Q VLAN Support v1.8
[   10.664827] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled
[   10.982785] 8021q: adding VLAN 0 to HW filter on device medianet0
[   15.082869] IPv6: ADDRCONF(NETDEV_CHANGE): medianet0: link becomes ready
[   16.478173] ICMPv6: process `dhcpcd' is using deprecated sysctl (syscall) net.ipv6.neigh.medianet0.retrans_time - use net.ipv6.neigh.medianet0.retrans_time_ms instead
[   43.388176] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
medianet@mn-rpi3bplus:~ $ mn_info 
Hardware: Raspberry Pi 3 Model B Plus Rev 1.3 (0 GB RAM)

System software: Raspbian GNU/Linux 10 (buster)
medianet overlay: Sun Dec 27 22:12:08 2020 +0100 856e3374fea1881fc996dabe83ecedb409fa65f7

VPLab - [mn] medianet legacy hardware RPi3B+ testbed
Location: Frankenlab
Configuration: 2020-12-28

medianet@mn-rpi3bplus:~ $ uname -a
Linux mn-rpi3bplus 5.4.79-v7+ #1373 SMP Mon Nov 23 13:22:33 GMT 2020 armv7l GNU/Linux