do not remove link local route on ovn0 (#2341)

zhangzujian · zhangzujian · commit 902b9a35cf22 · 2023-02-15T20:29:55.000+08:00
diff --git a/pkg/daemon/controller_linux.go b/pkg/daemon/controller_linux.go
@@ -218,7 +218,7 @@ func getNicExistRoutes(nic netlink.Link, gateway string) ([]netlink.Route, error
 
 func routeDiff(existRoutes []netlink.Route, cidrs []string) (toAdd []string, toDel []string) {
 	for _, route := range existRoutes {
-		if route.Scope == netlink.SCOPE_LINK {
+		if route.Scope == netlink.SCOPE_LINK || route.Dst == nil || route.Dst.IP.IsLinkLocalUnicast() {
 			continue
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -218,7 +218,7 @@ func getNicExistRoutes(nic netlink.Link, gateway string) ([]netlink.Route, error`
`218`	`218`
`219`	`219`	`func routeDiff(existRoutes []netlink.Route, cidrs []string) (toAdd []string, toDel []string) {`
`220`	`220`	`for _, route := range existRoutes {`
`221`		`- if route.Scope == netlink.SCOPE_LINK {`
	`221`	`+ if route.Scope == netlink.SCOPE_LINK \|\| route.Dst == nil \|\| route.Dst.IP.IsLinkLocalUnicast() {`
`222`	`222`	`continue`
`223`	`223`	`}`
`224`	`224`