2022-12-12 12:06:56.012 [DEBUG] (tailnet) <./tailnet/conn.go:352> (*Conn).UpdateNodes adding node {"node": {"id": 2792323418590812384, "as_of": "2022-12-12T12:06:56.004793Z", "key": "nodekey:493279de99b08aa5f4bad702c29ad6a77678189e93d245641a5219269038cc6e", "disco": "discokey:3bf6fb4c4887b74a1d3d568619c0d464eb8214b757cfcf9440866777d026d936", "preferred_derp": 999, "derp_latency": {"999-v4": 0.024973997}, "addresses": ["fd7a:115c:a1e0:439f:a931:a2bf:7f4d:dd9/128"], "allowed_ips": ["fd7a:115c:a1e0:439f:a931:a2bf:7f4d:dd9/128"], "endpoints": ["193.170.91.32:45391", "10.4.24.216:41076", "172.17.0.1:41076", "172.18.0.1:41076", "172.19.0.1:41076"]}}
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 [v1] magicsock: got updated network map; 8 peers
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 wgengine: Reconfig: configuring userspace WireGuard config (with 0/8 peers)
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 [v1] wgengine: Reconfig done
2022-12-12 12:06:59.262 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 derphttp.Client.Recv: connecting to derp-999 (coder)
2022-12-12 12:06:59.307 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 magicsock: [0xc0004183c0] derp.Recv(derp-999): derphttp.Client.Recv connect to region 999 (coder): GET failed: <nil>: DERP requires connection upgrade
2022-12-12 12:06:59.307 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 derp-999: [v1] backoff: 4815 msec
2022-12-12 12:06:56.012 [DEBUG] (tailnet) <./tailnet/conn.go:352> (*Conn).UpdateNodes adding node {"node": {"id": 2792323418590812384, "as_of": "2022-12-12T12:06:56.004793Z", "key": "nodekey:493279de99b08aa5f4bad702c29ad6a77678189e93d245641a5219269038cc6e", "disco": "discokey:3bf6fb4c4887b74a1d3d568619c0d464eb8214b757cfcf9440866777d026d936", "preferred_derp": 999, "derp_latency": {"999-v4": 0.024973997}, "addresses": ["fd7a:115c:a1e0:439f:a931:a2bf:7f4d:dd9/128"], "allowed_ips": ["fd7a:115c:a1e0:439f:a931:a2bf:7f4d:dd9/128"], "endpoints": ["193.170.91.32:45391", "10.4.24.216:41076", "172.17.0.1:41076", "172.18.0.1:41076", "172.19.0.1:41076"]}}
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 [v1] magicsock: got updated network map; 8 peers
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 wgengine: Reconfig: configuring userspace WireGuard config (with 0/8 peers)
2022-12-12 12:06:56.013 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 [v1] wgengine: Reconfig done
2022-12-12 12:06:59.262 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 derphttp.Client.Recv: connecting to derp-999 (coder)
2022-12-12 12:06:59.307 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 magicsock: [0xc0004183c0] derp.Recv(derp-999): derphttp.Client.Recv connect to region 999 (coder): GET failed: <nil>: DERP requires connection upgrade
2022-12-12 12:06:59.307 [DEBUG] (tailnet.wgengine) <./tailnet/conn.go:712> Logger.func1 derp-999: [v1] backoff: 4815 msec
