1.1.1.1 with zero trust freezes often on Android

On an Android device. I have 1.1.1.1 with zero trust enabled. Often I find that my device has no network connectivity and the only way to recover is to toggle 1.1.1.1. Since I haven’t yet found a pattern on when this happens, it makes the service practically unusable for me.

Looking at the boringtunnel logs, I find a lot of these error messages when the device was in this state (replaced real IPv6 address with “”:

[2022-08-16T07:32:07.131-07:00] INFO “udp”: boringtun: “New session, ()”
[2022-08-16T07:32:07.131-07:00] INFO “udp”: boringtun: “Sending keepalive, ()”
[2022-08-16T07:32:12.550-07:00] INFO “tic”: boringtun: “HANDSHAKE(REKEY_TIMEOUT), ()”
[2022-08-16T07:32:12.554-07:00] INFO “tic”: boringtun: “Sending handshake_initiation, ()”
[2022-08-16T07:32:12.554-07:00] INFO “tic”: UdpSocket { addr: []:50799, fd: 123 } send error: 101
[2022-08-16T07:32:12.554-07:00] INFO “tic”: recreating udp socket UdpSocket { addr: []:50799, fd: 123 } in write_to_network() on network change.
[2022-08-16T07:32:12.554-07:00] INFO “tic”: recreated udp socket UdpSocket { addr: []:45505, fd: 103 } in write_to_network() on network change.
[2022-08-16T07:32:12.575-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:12.615-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:12.676-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:12.757-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:12.858-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:12.858-07:00] ERROR “tic”: failed sending to network.
[2022-08-16T07:32:17.559-07:00] INFO “tic”: boringtun: “HANDSHAKE(REKEY_TIMEOUT), ()”
[2022-08-16T07:32:17.563-07:00] INFO “tic”: boringtun: “Sending handshake_initiation, ()”
[2022-08-16T07:32:17.563-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.584-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.625-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.686-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.767-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.868-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:17.868-07:00] ERROR “tic”: failed sending to network.
[2022-08-16T07:32:22.566-07:00] INFO “tic”: boringtun: “HANDSHAKE(REKEY_TIMEOUT), ()”
[2022-08-16T07:32:22.569-07:00] INFO “tic”: boringtun: “Sending handshake_initiation, ()”
[2022-08-16T07:32:22.570-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.591-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.631-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.692-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.772-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.873-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:22.873-07:00] ERROR “tic”: failed sending to network.
[2022-08-16T07:32:26.361-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.381-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.422-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.482-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.563-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.664-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.664-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:26.664-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.685-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.725-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.785-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:26.987-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.088-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.089-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:27.089-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.109-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.150-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.210-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.291-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.392-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.392-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:27.393-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.413-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.454-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.515-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.573-07:00] INFO “tic”: boringtun: “HANDSHAKE(REKEY_TIMEOUT), ()”
[2022-08-16T07:32:27.578-07:00] INFO “tic”: boringtun: “Sending handshake_initiation, ()”
[2022-08-16T07:32:27.578-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.596-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.599-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.640-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.697-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.697-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:27.697-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.701-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.718-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.759-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.782-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.820-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:27.882-07:00] INFO “tic”: UdpSocket { addr: []:45505, fd: 103 } send error: 101
[2022-08-16T07:32:27.883-07:00] ERROR “tic”: failed sending to network.
[2022-08-16T07:32:27.901-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.002-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.002-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:28.002-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.023-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.064-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.125-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.206-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.307-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.308-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:28.308-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.329-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.370-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.430-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.511-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.612-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.613-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:28.613-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.634-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.675-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.736-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.817-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.919-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.919-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:28.919-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.940-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:28.981-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:29.042-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:29.122-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:29.223-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101
[2022-08-16T07:32:29.223-07:00] ERROR “vif”: failed sending to network in intf_read().
[2022-08-16T07:32:29.223-07:00] INFO “vif”: UdpSocket { addr: []:45505, fd: 92 } send error: 101

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