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Bug
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Resolution: Done
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Undefined
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4.12.0
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None
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Critical
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None
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CNF Network Sprint 225, CNF Network Sprint 226
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2
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Rejected
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False
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-
Description of problem:
Not all rules removed from iptables after disabling multinetworkpolicy
Version-Release number of selected component (if applicable):
4.12
How reproducible:
100%
Steps to Reproduce:
1. Configure sriov (nodepolicy + sriovnetwork)
2. Configure 2 pods
3. enable MutiNetworkPolicy
4. apply ~20 rules for pod1:
spec:
podSelector:
matchLabels:
pod: pod1
policyTypes:
- Ingress
ingress: []
5. Disable multinetworkpolicy
6. send ping pod2 => pod1
Actual results:
Traffic is still blocked
Expected results:
Traffic should be passed
Additional info:
Before disabling multiNetworkPolicy: -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default net-attach-def:ns1/sriovnetwork2" -j MULTI-0-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default24 net-attach-def:ns1/sriovnetwork2" -j MULTI-1-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default17 net-attach-def:ns1/sriovnetwork2" -j MULTI-2-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default15 net-attach-def:ns1/sriovnetwork2" -j MULTI-3-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default14 net-attach-def:ns1/sriovnetwork2" -j MULTI-4-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default7 net-attach-def:ns1/sriovnetwork2" -j MULTI-5-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default5 net-attach-def:ns1/sriovnetwork2" -j MULTI-6-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default20 net-attach-def:ns1/sriovnetwork2" -j MULTI-7-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default19 net-attach-def:ns1/sriovnetwork2" -j MULTI-8-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default11 net-attach-def:ns1/sriovnetwork2" -j MULTI-9-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default10 net-attach-def:ns1/sriovnetwork2" -j MULTI-10-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default9 net-attach-def:ns1/sriovnetwork2" -j MULTI-11-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default6 net-attach-def:ns1/sriovnetwork2" -j MULTI-12-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default3 net-attach-def:ns1/sriovnetwork2" -j MULTI-13-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default16 net-attach-def:ns1/sriovnetwork2" -j MULTI-14-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default13 net-attach-def:ns1/sriovnetwork2" -j MULTI-15-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default2 net-attach-def:ns1/sriovnetwork2" -j MULTI-16-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default22 net-attach-def:ns1/sriovnetwork2" -j MULTI-17-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default21 net-attach-def:ns1/sriovnetwork2" -j MULTI-18-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default18 net-attach-def:ns1/sriovnetwork2" -j MULTI-19-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default12 net-attach-def:ns1/sriovnetwork2" -j MULTI-20-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default8 net-attach-def:ns1/sriovnetwork2" -j MULTI-21-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default4 net-attach-def:ns1/sriovnetwork2" -j MULTI-22-INGRESS -A MULTI-0-INGRESS -j DROP -A MULTI-1-INGRESS -j DROP -A MULTI-2-INGRESS -j DROP -A MULTI-3-INGRESS -j DROP -A MULTI-4-INGRESS -j DROP -A MULTI-5-INGRESS -j DROP -A MULTI-6-INGRESS -j DROP -A MULTI-7-INGRESS -j DROP -A MULTI-8-INGRESS -j DROP -A MULTI-9-INGRESS -j DROP -A MULTI-10-INGRESS -j DROP -A MULTI-11-INGRESS -j DROP -A MULTI-12-INGRESS -j DROP -A MULTI-13-INGRESS -j DROP -A MULTI-14-INGRESS -j DROP -A MULTI-15-INGRESS -j DROP -A MULTI-16-INGRESS -j DROP -A MULTI-17-INGRESS -j DROP -A MULTI-18-INGRESS -j DROP -A MULTI-19-INGRESS -j DROP -A MULTI-20-INGRESS -j DROP -A MULTI-21-INGRESS -j DROP -A MULTI-22-INGRESS -j DROP ============================================================= After disabling multiNetworkPolicy: -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default5 net-attach-def:ns1/sriovnetwork2" -j MULTI-0-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default24 net-attach-def:ns1/sriovnetwork2" -j MULTI-1-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default17 net-attach-def:ns1/sriovnetwork2" -j MULTI-2-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default15 net-attach-def:ns1/sriovnetwork2" -j MULTI-3-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default7 net-attach-def:ns1/sriovnetwork2" -j MULTI-4-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default3 net-attach-def:ns1/sriovnetwork2" -j MULTI-5-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default20 net-attach-def:ns1/sriovnetwork2" -j MULTI-6-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default19 net-attach-def:ns1/sriovnetwork2" -j MULTI-7-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default9 net-attach-def:ns1/sriovnetwork2" -j MULTI-8-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default6 net-attach-def:ns1/sriovnetwork2" -j MULTI-9-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default16 net-attach-def:ns1/sriovnetwork2" -j MULTI-10-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default2 net-attach-def:ns1/sriovnetwork2" -j MULTI-11-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default22 net-attach-def:ns1/sriovnetwork2" -j MULTI-12-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default21 net-attach-def:ns1/sriovnetwork2" -j MULTI-13-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default18 net-attach-def:ns1/sriovnetwork2" -j MULTI-14-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default8 net-attach-def:ns1/sriovnetwork2" -j MULTI-15-INGRESS -A MULTI-INGRESS -i int1 -m comment --comment "policy:deny-by-default4 net-attach-def:ns1/sriovnetwork2" -j MULTI-16-INGRESS -A MULTI-0-INGRESS -j DROP -A MULTI-1-INGRESS -j DROP -A MULTI-2-INGRESS -j DROP -A MULTI-3-INGRESS -j DROP -A MULTI-4-INGRESS -j DROP -A MULTI-5-INGRESS -j DROP -A MULTI-6-INGRESS -j DROP -A MULTI-7-INGRESS -j DROP -A MULTI-8-INGRESS -j DROP -A MULTI-9-INGRESS -j DROP -A MULTI-10-INGRESS -j DROP -A MULTI-11-INGRESS -j DROP -A MULTI-12-INGRESS -j DROP -A MULTI-13-INGRESS -j DROP -A MULTI-14-INGRESS -j DROP -A MULTI-15-INGRESS -j DROP -A MULTI-16-INGRESS -j DROP
