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.
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