I am using armbian 18.04 stretch. Got the following errors. What are they? Wi-fi and bluetooth both are not working. Could someone help, Thanks!
[ 7.470412] cfg80211: failed to load regulatory.db
[ 7.487790] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-11), device may have limited channels available
[ 7.492644] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Mar 30 2016 11:30:56 version 7.45.77.h8.4 FWID 01-ee8a6268
[ 8.034378] EXT4-fs (zram0): mounted filesystem without journal. Opts: discard
[ 8.160346] random: crng init done
[ 8.160357] random: 7 urandom warning(s) missed due to ratelimiting
[ 12.045134] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 12.052109] RTL8211E Gigabit Ethernet stmmac-0:01: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
[ 12.054167] dwmac-sun8i 1c50000.ethernet eth0: No Safety Features support found
[ 12.054186] dwmac-sun8i 1c50000.ethernet eth0: No MAC Management Counters available
[ 12.054195] dwmac-sun8i 1c50000.ethernet eth0: PTP not supported by HW
[ 12.054741] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 12.095282] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 14.843874] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 17.403865] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 17.403884] brcmfmac: brcmf_dongle_scantime: Scan assoc time error (-110)
[ 19.963823] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 19.963837] brcmfmac: brcmf_netdev_open: failed to bring up cfg80211
[ 22.523835] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 22.523850] brcmfmac: brcmf_cfg80211_get_channel: chanspec failed (-110)
[ 25.083827] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 25.083838] brcmfmac: brcmf_cfg80211_get_tx_power: error (-110)
[ 27.899841] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[ 27.899859] brcmfmac: brcmf_cfg80211_get_channel: chanspec failed (-110)
[ 30.459855] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[ 30.459869] brcmfmac: brcmf_cfg80211_get_tx_power: error (-110)
[ 33.019910] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[ 33.019925] brcmfmac: brcmf_cfg80211_get_channel: chanspec failed (-110)
[ 33.579686] fuse init (API version 7.27)
[ 35.579912] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[ 35.579926] brcmfmac: brcmf_cfg80211_get_tx_power: error (-110)
[ 38.139845] brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110
[ 38.139859] brcmfmac: brcmf_cfg80211_get_channel: chanspec failed (-110)
[ 38.586584] EXT4-fs (mmcblk1p8): mounted filesystem with ordered data mode. Opts: (null)
[ 38.767733] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 39.384089] EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null)