gistfile1.txt

$ lsmod | grep openvswitch
openvswitch           102400  2
nf_nat_ipv6            16384  1 openvswitch
nf_defrag_ipv6         36864  2 nf_conntrack_ipv6,openvswitch
libcrc32c              16384  1 openvswitch
nf_nat_ipv4            16384  2 openvswitch,iptable_nat
nf_nat                 24576  5 xt_nat,openvswitch,nf_nat_ipv6,nf_nat_masquerade_ipv4,nf_nat_ipv4
nf_conntrack           90112  8 nf_conntrack_ipv6,openvswitch,nf_conntrack_ipv4,nf_nat_ipv6,nf_nat_masquerade_ipv4,xt_conntrack,nf_nat_ipv4,nf_nat

$ docker exec -tu root f81008f8aa45 ovs-dpctl show
system@ovs-system:
	lookups: hit:18 missed:262 lost:0
	flows: 0
	masks: hit:262 total:0 hit/pkt:0.94
	port 0: ovs-system (internal)
	port 1: br-ex (internal)
$ docker exec -tu root f81008f8aa45 ovs-appctl version
ovs-vswitchd (Open vSwitch) 2.6.1