I've got a FreeBSD VM in a DC running net/ocserv that allows clients to access my network over SSL. It dutifully creates tunnel interfaces as each client connects, and clients route back to the central site via the VM (as it happens over an IPSEC tunnel).
Rather that normally route the...
When I using Openconnect periodicaly tun device change state to DOWN.
Jan 17 19:05:06 host kernel: ifa_maintain_loopback_route: deletion failed for interface tun0: 48
Jan 17 19:05:06 host kernel: tun0: link state changed to DOWN