sudo wg show (from 10.11.12.1)
interface: nm-toile
  public key: wnc+69CJ1NSphxxxxyDrQDtNEgxxxxxiE=
  private key: (hidden)
  listening port: 40018

peer: 9XzDmPe3xxxxxxxxxCHJ84PVFayA=
  endpoint: xx.xx.251.16:51616
  allowed ips: 10.11.12.3/32
  latest handshake: 44 seconds ago
  transfer: 688 B received, 1.69 KiB sent
  persistent keepalive: every 20 seconds

peer: f+r9JxxxxxxxxxxxxQDgniGhawY=
  endpoint: xx.xx.xx.26:59358
  allowed ips: 10.11.12.2/32
  latest handshake: 1 minute, 49 seconds ago
  transfer: 2.64 KiB received, 2.73 KiB sent
  persistent keepalive: every 20 seconds