sudo cat /var/log/syslog | grep error
May 31 03:13:56 raspberrypi jackett[529]:    at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
May 31 03:13:57 raspberrypi jackett[529]:    at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
May 31 03:13:57 raspberrypi jackett[529]:    at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
May 31 03:14:00 raspberrypi mono[543]: [Error] Torznab: An error occurred while processing feed. http://192.168.1.71:9117/api/v2.0/indexers/ettv/results/torznab/api?t=tvsearch&cat=2000,2040,2030,100081&extended=1&apikey=1rtlikv708adg575fhel10rmc2x4z2am&offset=0&limit=100
May 31 03:14:00 raspberrypi mono[543]: [v2.0.0.5344] NzbDrone.Core.Indexers.Torznab.TorznabException: Torznab error detected: Jackett.Common.IndexerException: Exception (ettv): Resource temporarily unavailable
May 31 03:14:00 raspberrypi mono[543]:    at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
May 31 14:24:51 raspberrypi kernel: [   17.097630] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-model-b.txt failed with error -2
May 31 14:25:01 raspberrypi systemd[669]: gpgconf: running /usr/bin/gpg-agent failed (exitcode=2): General error
May 31 14:25:01 raspberrypi systemd[669]: gpgconf: fatal error (exit status 1)
May 31 14:25:09 raspberrypi containerd[615]: time="2021-05-31T14:25:09.556666895+02:00" level=info msg="skip loading plugin \"io.containerd.snapshotter.v1.aufs\"..." error="aufs is not supported (modprobe aufs failed: exit status 1 \"modprobe: FATAL: Module aufs not found in directory /lib/modules/5.10.17-v7l+\\n\"): skip plugin" type=io.containerd.snapshotter.v1
May 31 14:25:09 raspberrypi containerd[615]: time="2021-05-31T14:25:09.557597543+02:00" level=info msg="skip loading plugin \"io.containerd.snapshotter.v1.btrfs\"..." error="path /var/lib/containerd/io.containerd.snapshotter.v1.btrfs (ext4) must be a btrfs filesystem to be used with the btrfs snapshotter: skip plugin" type=io.containerd.snapshotter.v1
May 31 14:25:09 raspberrypi containerd[615]: time="2021-05-31T14:25:09.557812802+02:00" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.devmapper" error="devmapper not configured"
May 31 14:25:09 raspberrypi containerd[615]: time="2021-05-31T14:25:09.653754950+02:00" level=info msg="skip loading plugin \"io.containerd.snapshotter.v1.zfs\"..." error="path /var/lib/containerd/io.containerd.snapshotter.v1.zfs must be a zfs filesystem to be used with the zfs snapshotter: skip plugin" type=io.containerd.snapshotter.v1
May 31 14:25:09 raspberrypi containerd[615]: time="2021-05-31T14:25:09.654110172+02:00" level=warning msg="could not use snapshotter devmapper in metadata plugin" error="devmapper not configured"
May 31 14:49:47 raspberrypi containerd[615]: time="2021-05-31T14:49:47.615814686+02:00" level=error msg="add cg to OOM monitor" error="cgroups: memory cgroup not supported on this system"
May 31 14:49:48 raspberrypi containerd[615]: time="2021-05-31T14:49:48.540108137+02:00" level=error msg="add cg to OOM monitor" error="cgroups: memory cgroup not supported on this system"