我有最新的 Raspberry Pi 3，运行 raspbian。我将其用作 WiFI AP，并在 wlan0 和 eth0 之间具有桥接接口。自从几周前网络突然停止工作以来我一直工作得很好。我用谷歌搜索了错误，但没有找到任何有用的东西
[ 30.108102] brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
[ 30.108115] brcmfmac: brcmf_add_if: ignore IF event
[ 30.281377] br0: port 2(wlan0) entered forwarding state
[ 30.281440] br0: port 2(wlan0) entered forwarding state
[ 30.864784] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x46
[ 36.328375] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 52.045199] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 83.807211] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 148.794872] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 157.709856] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 157.709882] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 158.369837] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 158.369879] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 159.249852] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 159.249878] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 159.249912] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.838881] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.838950] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.838996] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839017] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839054] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839082] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839101] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839121] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 170.839151] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 171.589843] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037375] net_ratelimit: 3 callbacks suppressed
[ 185.037406] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037439] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037456] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037472] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037487] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037503] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.037518] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.041134] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.042593] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 185.709850] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834625] net_ratelimit: 2 callbacks suppressed
[ 201.834659] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834719] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834763] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834784] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834827] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834884] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834905] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834945] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.834989] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 201.835014] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 212.115072] net_ratelimit: 6 callbacks suppressed
[ 212.115094] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 213.949862] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 213.949923] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 213.949965] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 275.626516] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x7e
[ 276.131185] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 276.131225] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 276.131243] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 276.131259] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 276.131275] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 276.131290] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 281.122416] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x56
[ 284.952419] brcmfmac: brcmf_proto_bcdc_hdrpull: wlan0: non-BCDC packet received, flags 0x56
[ 293.629432] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 306.227779] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 306.227836] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 306.227871] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 306.227890] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 310.850382] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.828883] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.828929] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.828969] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.828986] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829019] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829035] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829067] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829083] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829116] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped
[ 322.829132] smsc95xx 1-1.1:1.0 eth0: kevent 0 may have been dropped