Решил передернуть подключение на роутере и началось…
Перезагрузка роутера ожидаемо ничего не исправила, проблема одна и та же на двух разных провайдерах:
TCP: connect to [AF_INET]51.75.75.245:1194 failed: Connection refused
NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay
OpenVPN0 SIGUSR1[connection failed(soft),init_instance] received, process restarting
OpenVPN0 Attempting to establish TCP connection with [AF_INET]51.75.70.203:1194 [nonblock]
OpenVPN0 TCP connection established with [AF_INET]51.75.70.203:1194
OpenVPN0 TCP_CLIENT link local: (not bound)
OpenVPN0 TCP_CLIENT link remote: [AF_INET]51.75.70.203:1194
OpenVPN0 Connection reset, restarting [0]
OpenVPN0 SIGTERM[soft,connection-reset] received, process exiting
Service: "OpenVPN0": unexpectedly stopped.
Полный лог c verb 7:
Feb 12 22:35:28
ndm
Network::Interface::Base: "OpenVPN0": interface is up.
Feb 12 22:35:28
ndm
Core::ConfigurationSaver: saving configuration...
Feb 12 22:35:31
OpenVPN0
OpenVPN 2.4.6 [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [AEAD]
Feb 12 22:35:31
OpenVPN0
library versions: OpenSSL 1.1.1h 22 Sep 2020, LZO 2.10
Feb 12 22:35:31
OpenVPN0
Control Channel MTU parms [ L:1623 D:1210 EF:40 EB:0 ET:0 EL:3 ]
Feb 12 22:35:31
OpenVPN0
Data Channel MTU parms [ L:1623 D:1450 EF:123 EB:406 ET:0 EL:3 ]
Feb 12 22:35:31
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:31
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:31
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:31
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:31
OpenVPN0
Local Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_CLIENT,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-client'
Feb 12 22:35:31
OpenVPN0
Expected Remote Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_SERVER,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-server'
Feb 12 22:35:31
OpenVPN0
Socket Buffers: R=[87380->87380] S=[16384->16384]
Feb 12 22:35:31
OpenVPN0
Attempting to establish TCP connection with [AF_INET]51.75.75.245:1194 [nonblock]
Feb 12 22:35:32
ndm
Core::ConfigurationSaver: configuration saved.
Feb 12 22:35:32
OpenVPN0
TCP: connect to [AF_INET]51.75.75.245:1194 failed: Connection refused
Feb 12 22:35:32
OpenVPN0
NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay
Feb 12 22:35:32
OpenVPN0
SIGUSR1[connection failed(soft),init_instance] received, process restarting
Feb 12 22:35:32
OpenVPN0
Restart pause, 5 second(s)
Feb 12 22:35:37
OpenVPN0
Re-using SSL/TLS context
Feb 12 22:35:37
OpenVPN0
Control Channel MTU parms [ L:1623 D:1210 EF:40 EB:0 ET:0 EL:3 ]
Feb 12 22:35:37
OpenVPN0
Data Channel MTU parms [ L:1623 D:1450 EF:123 EB:406 ET:0 EL:3 ]
Feb 12 22:35:37
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:37
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:37
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:37
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:37
OpenVPN0
Local Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_CLIENT,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-client'
Feb 12 22:35:37
OpenVPN0
Expected Remote Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_SERVER,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-server'
Feb 12 22:35:37
OpenVPN0
Socket Buffers: R=[87380->87380] S=[16384->16384]
Feb 12 22:35:37
OpenVPN0
Attempting to establish TCP connection with [AF_INET]51.75.70.203:1194 [nonblock]
Feb 12 22:35:38
OpenVPN0
TCP connection established with [AF_INET]51.75.70.203:1194
Feb 12 22:35:38
OpenVPN0
TCP_CLIENT link local: (not bound)
Feb 12 22:35:38
OpenVPN0
TCP_CLIENT link remote: [AF_INET]51.75.70.203:1194
Feb 12 22:35:38
OpenVPN0
TCP_CLIENT WRITE [14] to [AF_INET]51.75.70.203:1194: P_CONTROL_HARD_RESET_CLIENT_V2 kid=0 [ ] pid=0 DATA len=0
Feb 12 22:35:38
OpenVPN0
Connection reset, restarting [0]
Feb 12 22:35:38
OpenVPN0
TCP/UDP: Closing socket
Feb 12 22:35:38
OpenVPN0
SIGTERM[soft,connection-reset] received, process exiting
Feb 12 22:35:38
ndm
Service: "OpenVPN0": unexpectedly stopped.
Feb 12 22:35:41
OpenVPN0
OpenVPN 2.4.6 [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [AEAD]
Feb 12 22:35:41
OpenVPN0
library versions: OpenSSL 1.1.1h 22 Sep 2020, LZO 2.10
Feb 12 22:35:41
OpenVPN0
Control Channel MTU parms [ L:1623 D:1210 EF:40 EB:0 ET:0 EL:3 ]
Feb 12 22:35:41
OpenVPN0
Data Channel MTU parms [ L:1623 D:1450 EF:123 EB:406 ET:0 EL:3 ]
Feb 12 22:35:41
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:41
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:41
OpenVPN0
crypto_adjust_frame_parameters: Adjusting frame parameters for crypto by 56 bytes
Feb 12 22:35:41
OpenVPN0
calc_options_string_link_mtu: link-mtu 1623 -> 1559
Feb 12 22:35:41
OpenVPN0
Local Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_CLIENT,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-client'
Feb 12 22:35:41
OpenVPN0
Expected Remote Options String (VER=V4): 'V4,dev-type tun,link-mtu 1559,tun-mtu 1500,proto TCPv4_SERVER,cipher AES-128-CBC,auth SHA1,keysize 128,key-method 2,tls-server'
Feb 12 22:35:41
OpenVPN0
Socket Buffers: R=[87380->87380] S=[16384->16384]
Feb 12 22:35:41
OpenVPN0
Attempting to establish TCP connection with [AF_INET]51.75.75.245:1194 [nonblock]
Feb 12 22:35:42
OpenVPN0
TCP: connect to [AF_INET]51.75.75.245:1194 failed: Connection refused
Feb 12 22:35:42
OpenVPN0
NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay
Feb 12 22:35:42
OpenVPN0
SIGUSR1[connection failed(soft),init_instance] received, process restarting
Feb 12 22:35:42
OpenVPN0
Restart pause, 5 second(s)