nat: Introduce a block on the NAT to slowly get rid of BSCs

For restarting the NAT we can now block it, it will not accept
new connections and for existing connections it will attempt
to drop them over time. A blocked NAT will end up with no BSC
connections left and then can be safely restarted.
3 files changed
tree: f02645e5bfa2764133087453bc143911fc5efb19
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README