VPN Is dropping every few minutes for a few seconds #4211
Description
I am on a fresh install of the router and vps. Using OpenvpnTCP. But
VPN Is dropping every few minutes for a few seconds
Logs:
Mon Feb 2 14:01:23 2026 user.notice post-tracking-002-error: omrvpn down because check error and ping from 10.255.252.5 error (193.110.81.0,4.2.2.4,185.253.5.0,208.67.222.222,194.0.5.64)
Mon Feb 2 14:01:23 2026 user.notice post-tracking-002-error: OpenVPN down, restart it
Mon Feb 2 14:01:23 2026 daemon.err openvpn(omr)[15122]: event_wait : Interrupted system call (fd=-1,code=4)
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[15122]: /usr/libexec/openvpn-hotplug route-pre-down omr tun0 1420 0 10.255.252.5 255.255.255.0 init
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[15122]: net_addr_v4_del: 10.255.252.5 dev tun0
Mon Feb 2 14:01:23 2026 daemon.notice ttyd[22568]: [2026/02/02 14:01:23:6606] N: rops_handle_POLLIN_netlink: DELADDR
Mon Feb 2 14:01:23 2026 daemon.notice netifd: Network device 'tun0' link is down
Mon Feb 2 14:01:23 2026 daemon.notice netifd: Interface 'omrvpn' has link connectivity loss
Mon Feb 2 14:01:23 2026 daemon.notice ttyd[22568]: [2026/02/02 14:01:23:6631] N: rops_handle_POLLIN_netlink: DELADDR
Mon Feb 2 14:01:23 2026 daemon.notice netifd: omrvpn (15272): udhcpc: read error: Network is down, reopening socket
Mon Feb 2 14:01:23 2026 user.notice NET: hotplug (iface): action='remove' interface='tun0'
Mon Feb 2 14:01:23 2026 daemon.info ModemManager[32060]: hotplug: remove network interface tun0: event processed
Mon Feb 2 14:01:23 2026 user.notice post-tracking-002-error: DNS flush
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[15122]: /usr/libexec/openvpn-hotplug down omr tun0 1420 0 10.255.252.5 255.255.255.0 init
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[15122]: SIGTERM[hard,] received, process exiting
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: OpenVPN 2.6.14 x86_64-openwrt-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [MH/PKTINFO] [AEAD] [DCO]
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: library versions: OpenSSL 3.5.2 5 Aug 2025, LZO 2.10
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: DCO version: N/A
Mon Feb 2 14:01:23 2026 daemon.warn openvpn(omr)[32190]: WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info.
Mon Feb 2 14:01:23 2026 daemon.warn openvpn(omr)[32190]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: TCP/UDP: Preserving recently used remote address: [AF_INET]152.5XXXXXXX65301
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: Attempting to establish TCP connection with [AF_INET]152.5XXXXXXX:65301
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: TCP connection established with [AF_INET]152.5XXXXXXX:65301
Mon Feb 2 14:01:23 2026 daemon.warn openvpn(omr)[32190]: Note: enable extended error passing on TCP/UDP socket failed (IP_RECVERR): Not supported (errno=95)
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: TCPv4_CLIENT link local: (not bound)
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: TCPv4_CLIENT link remote: [AF_INET]152.5XXXXXXX:65301
Mon Feb 2 14:01:23 2026 daemon.notice netifd: Interface 'omrvpn' is disabled
Mon Feb 2 14:01:23 2026 daemon.notice netifd: omrvpn (15272): udhcpc: bind: No such device
Mon Feb 2 14:01:23 2026 daemon.notice netifd: Interface 'omrvpn' is now down
Mon Feb 2 14:01:23 2026 daemon.notice openvpn(omr)[32190]: [server] Peer Connection Initiated with [AF_INET]152.5XXXXXXX
:65301
Mon Feb 2 14:01:24 2026 daemon.notice openvpn(omr)[32190]: TUN/TAP device tun0 opened
Mon Feb 2 14:01:24 2026 daemon.notice openvpn(omr)[32190]: net_iface_mtu_set: mtu 1420 for tun0
Mon Feb 2 14:01:24 2026 daemon.notice openvpn(omr)[32190]: net_iface_up: set tun0 up
Mon Feb 2 14:01:24 2026 daemon.notice openvpn(omr)[32190]: net_addr_v4_add: 10.255.252.2/24 dev tun0
Mon Feb 2 14:01:24 2026 daemon.notice openvpn(omr)[32190]: /usr/libexec/openvpn-hotplug up omr tun0 1420 0 10.255.252.2 255.255.255.0 init
Mon Feb 2 14:01:24 2026 daemon.notice netifd: Interface 'omrvpn' is enabled
Mon Feb 2 14:01:24 2026 daemon.notice netifd: Network device 'tun0' link is up
Mon Feb 2 14:01:24 2026 daemon.notice netifd: Interface 'omrvpn' has link connectivity
Mon Feb 2 14:01:24 2026 daemon.notice netifd: Interface 'omrvpn' is setting up now
Mon Feb 2 14:01:24 2026 daemon.notice netifd: omrvpn (32370): udhcpc: started, v1.37.0
Mon Feb 2 14:01:24 2026 user.notice NET: hotplug (iface): action='add' interface='tun0'
Mon Feb 2 14:01:24 2026 daemon.notice netifd: omrvpn (32370): udhcpc: broadcasting discover
Mon Feb 2 14:01:24 2026 daemon.info ModemManager[32334]: hotplug: add network interface tun0: event processed
Mon Feb 2 14:01:27 2026 daemon.notice netifd: omrvpn (32370): udhcpc: broadcasting discover
Mon Feb 2 14:01:27 2026 user.notice post-tracking-003-up: Change in routes, set ip route replace default scope global nexthop via 192.168.1.1 dev eth1 weight 100 nexthop via 192.168.68.1 dev eth2 weight 1 (omrvpn_intf: tun0)
Mon Feb 2 14:01:29 2026 daemon.notice openvpn(omr)[32190]: Initialization Sequence Completed
Mon Feb 2 14:01:30 2026 daemon.notice netifd: omrvpn (32370): udhcpc: broadcasting discover
Mon Feb 2 14:01:47 2026 daemon.err omr-tracker[14045]: /lib/functions.sh: line 190: _httping_server: command not found
Mon Feb 2 14:01:48 2026 user.notice post-tracking-003-up: Tunnel up : Replace default route by 10.255.252.1 dev tun0 (was 192.168.1.1)