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bugfix:incomplete arp cause busy loop (high cpu util) #7421

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merged 6 commits into from Apr 20, 2023
Merged

bugfix:incomplete arp cause busy loop (high cpu util) #7421

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2316e7a
bugfix:avoid busy loop
detailyang Mar 3, 2023
b23defe
Update felix/routetable/route_table.go
detailyang Mar 9, 2023
910e53b
chore:apply make fix
detailyang Apr 13, 2023
4fa282b
chore:apply make fix
detailyang Apr 13, 2023
c091d45
chore:build:fix build error
detailyang Apr 18, 2023
0db08d4
Merge branch 'patch-1' of https://github.com/detailyang/calico into p…
detailyang Apr 18, 2023
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4 changes: 4 additions & 0 deletions felix/routetable/route_table.go
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Expand Up @@ -1035,6 +1035,10 @@ func (r *RouteTable) syncL2RoutesForLink(ifaceName string) error {
var updatesFailed bool

for _, existing := range existingNeigh {
if existing.HardwareAddr == nil {
log.WithField("neighbor", existing).Debug("Ignoring existing ARP entry with no hardware addr")
continue
}
if _, ok := expected[existing.HardwareAddr.String()]; !ok {
logCxt.WithField("neighbor", existing).Debug("Neighbor should no longer be programmed")

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