Hello
Each hour, my subnet router access drop and I got these logs on my subnet router node
May 17 11:37:03 tailscale tailscaled[379]: control: NetInfo: NetInfo{varies= hairpin=false ipv6=false ipv6os=true udp=false icmpv4=false derp=#18 portmap= link=“”}
May 17 11:37:26 tailscale tailscaled[379]: control: NetInfo: NetInfo{varies=false hairpin=false ipv6=false ipv6os=true udp=true icmpv4=false derp=#18 portmap= link=“”}
May 17 11:37:31 tailscale tailscaled[379]: health(“overall”): error: not in map poll
May 17 11:38:50 tailscale tailscaled[379]: magicsock: [0xc003941e00] derp.Recv(derp-18): derp.Recv: read tcp4 10.0.1.250:45732->176.58.90.104:443: i/o timeout
May 17 11:38:50 tailscale tailscaled[379]: derphttp.Client.Recv: connecting to derp-18 (par)
May 17 11:38:50 tailscale tailscaled[379]: magicsock: derp-18 connected; connGen=42
May 17 11:38:50 tailscale tailscaled[379]: control: NetInfo: NetInfo{varies=true hairpin=false ipv6=false ipv6os=true udp=true icmpv4=false derp=#18 portmap= link=“”}