These NICs have nothing to do with OVS. They are on the system You should check out the presentation on OVS in Docker http://www.openvswitch.org/support/ovscon2019/ to better understand
/Shivaram ::Sent from my mobile device:: > On Jan 2, 2020, at 1:51 PM, shuangyang qian <[email protected]> wrote: > > > when i use ovs with docker, and found some unused virtual nic in docker > network namespace, like below: > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group > default qlen 1 > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > valid_lft forever preferred_lft forever > 2: ovs-gretap0@NONE: <BROADCAST,MULTICAST> mtu 1462 qdisc noop state DOWN > group default qlen 1000 > link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff > 3: erspan0@NONE: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group > default qlen 1000 > link/ether 2e:87:57:9d:4a:d7 brd ff:ff:ff:ff:ff:ff > 4: ovs-ip6gre0@NONE: <NOARP> mtu 1448 qdisc noop state DOWN group default > qlen 1 > link/gre6 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 brd > 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 > 5: ovs-ip6tnl0@NONE: <NOARP> mtu 1452 qdisc noop state DOWN group default > qlen 1 > link/tunnel6 :: brd :: > 29: eth0@if30: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1430 qdisc noqueue state > UP group default > link/ether 0a:00:00:32:02:03 brd ff:ff:ff:ff:ff:ff link-netnsid 0 > inet 172.50.2.2/24 brd 172.50.2.255 scope global eth0 > valid_lft forever preferred_lft forever > > except lo and eth0, the ovs-gre* 、erspan*、ovs-ip6* virtual nics is not i > need. do some one can tell me how to delete them. > > BTW, the virtual nics alse on host network stack, so i think shoudl find a > way to delete them in host. The unused virtual nics are created when i insmod > openvswitch.ko which i make it from ovs tree. the version is 2.11.2. > > Thanks. > _______________________________________________ > discuss mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
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