ClearUDPConntrackForIP uses the conntrack tool to delete the conntrack entries for the UDP connections specified by the given service IP.

ClearUDPConntrackForPeers uses the conntrack tool to delete the conntrack entries for the UDP connections specified by the {origin, dest} IP pair.

ClearUDPConntrackForPort uses the conntrack tool to delete the conntrack entries for the UDP connections specified by the port.

ExecConntrackTool executes the conntrack tool using the given parameters.

IPPart returns just the IP part of an IP or IP:port or endpoint string.

RevertPorts is closing ports in replacementPortsMap but not in originalPortsMap.

ToCIDR returns a host address of the form <ip-address>/32 for IPv4 and <ip-address>/128 for IPv6.

LocalPort describes a port on specific IP address and protocol.

Closeable is an interface around closing an port.

PortOpener is an interface around port opening/closing.