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Use netlink.LinkByName instead of net.InterfaceByName

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It's x350 time faster.

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-10-16 11:33:17 -07:00
parent 604753b43a
commit 537ba03dd1
1 changed files with 2 additions and 2 deletions
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4
libnetwork/netutils/utils.go
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@ -161,8 +161,8 @@ func GenerateIfaceName(prefix string, len int) (string, error) {
if err != nil { if err != nil {
continue continue
} }
if _, err := net.InterfaceByName(name); err != nil { if _, err := netlink.LinkByName(name); err != nil {
if strings.Contains(err.Error(), "no such") { if strings.Contains(err.Error(), "not found") {
return name, nil return name, nil
} }
return "", err return "", err