---

date -u '+%Y-%m-%dT%H:%M:%SZ'
sysctl net.inet.tcp.tso
ifconfig bridge0 | awk '/mtu|inet |status:/'
ifconfig bridge0 addr
route -n get 172.21.0.1 | awk '/gateway:|interface:/'
scutil --dns | awk '
  /^resolver #1$/ && !seen {seen=1; active=1; print; next}
  active && /^resolver #/ {exit}
  active && /nameserver|^[[:space:]]+port[[:space:]]*:|if_index|flags|reach/ {print}'
sudo lsof -nP -a -c openvpn -iTCP -sTCP:ESTABLISHED