udo iptables-save 
sudo: unable to resolve host labit2
# Generated by iptables-save v1.6.0 on Tue Jan 28 15:46:46 2020
*mangle
:PREROUTING ACCEPT [5080524:1661958519]
:INPUT ACCEPT [216776:27837146]
:FORWARD ACCEPT [4863130:1634068207]
:OUTPUT ACCEPT [231646:34386314]
:POSTROUTING ACCEPT [5094776:1668454521]
COMMIT
# Completed on Tue Jan 28 15:46:46 2020
# Generated by iptables-save v1.6.0 on Tue Jan 28 15:46:46 2020
*filter
:INPUT ACCEPT [46071:5400311]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [49487:7247276]
:DOCKER - [0:0]
:DOCKER-ISOLATION-STAGE-1 - [0:0]
:DOCKER-ISOLATION-STAGE-2 - [0:0]
:DOCKER-USER - [0:0]
-A FORWARD -j DOCKER-USER
-A FORWARD -j DOCKER-ISOLATION-STAGE-1
-A FORWARD -o docker0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o docker0 -j DOCKER
-A FORWARD -i docker0 ! -o docker0 -j ACCEPT
-A FORWARD -i docker0 -o docker0 -j ACCEPT
-A FORWARD -o br-fd34ea15ad50 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o br-fd34ea15ad50 -j DOCKER
-A FORWARD -i br-fd34ea15ad50 ! -o br-fd34ea15ad50 -j ACCEPT
-A FORWARD -i br-fd34ea15ad50 -o br-fd34ea15ad50 -j ACCEPT
-A FORWARD -o br-f079a49a2279 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o br-f079a49a2279 -j DOCKER
-A FORWARD -i br-f079a49a2279 ! -o br-f079a49a2279 -j ACCEPT
-A FORWARD -i br-f079a49a2279 -o br-f079a49a2279 -j ACCEPT
-A FORWARD -o br-650a2a1a9a43 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o br-650a2a1a9a43 -j DOCKER
-A FORWARD -i br-650a2a1a9a43 ! -o br-650a2a1a9a43 -j ACCEPT
-A FORWARD -i br-650a2a1a9a43 -o br-650a2a1a9a43 -j ACCEPT
-A FORWARD -o br-5c61c713db9d -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o br-5c61c713db9d -j DOCKER
-A FORWARD -i br-5c61c713db9d ! -o br-5c61c713db9d -j ACCEPT
-A FORWARD -i br-5c61c713db9d -o br-5c61c713db9d -j ACCEPT
-A DOCKER-ISOLATION-STAGE-1 -i docker0 ! -o docker0 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -i br-fd34ea15ad50 ! -o br-fd34ea15ad50 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -i br-f079a49a2279 ! -o br-f079a49a2279 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -i br-650a2a1a9a43 ! -o br-650a2a1a9a43 -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -i br-5c61c713db9d ! -o br-5c61c713db9d -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -j RETURN
-A DOCKER-ISOLATION-STAGE-2 -o docker0 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -o br-fd34ea15ad50 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -o br-f079a49a2279 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -o br-650a2a1a9a43 -j DROP
-A DOCKER-ISOLATION-STAGE-2 -o br-5c61c713db9d -j DROP
-A DOCKER-ISOLATION-STAGE-2 -j RETURN
-A DOCKER-USER -j RETURN
COMMIT
# Completed on Tue Jan 28 15:46:46 2020
# Generated by iptables-save v1.6.0 on Tue Jan 28 15:46:46 2020
*nat
:PREROUTING ACCEPT [7556:459286]
:INPUT ACCEPT [6928:405468]
:OUTPUT ACCEPT [702:39888]
:POSTROUTING ACCEPT [702:39888]
:DOCKER - [0:0]
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
-A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
-A POSTROUTING -s 172.17.0.0/20 ! -o docker0 -j MASQUERADE
-A POSTROUTING -s 172.19.0.0/16 ! -o br-fd34ea15ad50 -j MASQUERADE
-A POSTROUTING -s 192.168.48.0/20 ! -o br-f079a49a2279 -j MASQUERADE
-A POSTROUTING -s 192.168.90.0/24 ! -o br-650a2a1a9a43 -j MASQUERADE
-A POSTROUTING -s 172.26.16.0/20 ! -o br-5c61c713db9d -j MASQUERADE
-A DOCKER -i docker0 -j RETURN
-A DOCKER -i br-fd34ea15ad50 -j RETURN
-A DOCKER -i br-f079a49a2279 -j RETURN
-A DOCKER -i br-650a2a1a9a43 -j RETURN
-A DOCKER -i br-5c61c713db9d -j RETURN
COMMIT
# Completed on Tue Jan 28 15:46:46 2020