问题：

在使用 v2rayN 时失败，报错日志：

2023/03/18 22:22:51 [Warning] [1993102120] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:22:51 [Warning] [3017518221] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:22:56 127.0.0.1:22878 accepted //rr4---sn-n4v7snly.googlevideo.com:443 [http -> proxy]
2023/03/18 22:23:00 [Warning] [2568311092] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:23:00 [Warning] [2772904374] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:23:00 [Warning] [1043224321] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:23:00 [Warning] [78208544] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed
2023/03/18 22:23:02 [Warning] [1370977324] app/proxyman/outbound: failed to process outbound traffic > proxy/vless/outbound: failed to find an available destination > common/retry: [dial tcp 8.7.198.46:10086: i/o timeout dial tcp 8.7.198.46:10086: operation was canceled dial tcp: lookup www.cordc.net: operation was canceled] > common/retry: all retry attempts failed

原因：

端口被封，节点挂了，或者配置错了。

解决：

换端口，换节点，换配置。（例如使用Trojan）