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  1. [root@openstack-compute1 ~]# ip netns exec qdhcp-b819739e-730a-4117-9e35-8c6d994f514e iptables-save
  2. # Generated by iptables-save v1.4.21 on Fri Apr 3 12:13:05 2020
  3. *mangle
  4. :PREROUTING ACCEPT [47:13297]
  5. :INPUT ACCEPT [13:1071]
  6. :FORWARD ACCEPT [0:0]
  7. :OUTPUT ACCEPT [12:993]
  8. :POSTROUTING ACCEPT [12:993]
  9. :neutron-dhcp-age-FORWARD - [0:0]
  10. :neutron-dhcp-age-INPUT - [0:0]
  11. :neutron-dhcp-age-OUTPUT - [0:0]
  12. :neutron-dhcp-age-POSTROUTING - [0:0]
  13. :neutron-dhcp-age-PREROUTING - [0:0]
  14. :neutron-dhcp-age-mark - [0:0]
  15. -A PREROUTING -j neutron-dhcp-age-PREROUTING
  16. -A INPUT -j neutron-dhcp-age-INPUT
  17. -A FORWARD -j neutron-dhcp-age-FORWARD
  18. -A OUTPUT -j neutron-dhcp-age-OUTPUT
  19. -A POSTROUTING -j neutron-dhcp-age-POSTROUTING
  20. -A neutron-dhcp-age-POSTROUTING -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
  21. -A neutron-dhcp-age-PREROUTING -j neutron-dhcp-age-mark
  22. COMMIT
  23. # Completed on Fri Apr 3 12:13:05 2020
  24. # Generated by iptables-save v1.4.21 on Fri Apr 3 12:13:05 2020
  25. *raw
  26. :PREROUTING ACCEPT [47:13297]
  27. :OUTPUT ACCEPT [12:993]
  28. :neutron-dhcp-age-OUTPUT - [0:0]
  29. :neutron-dhcp-age-PREROUTING - [0:0]
  30. -A PREROUTING -j neutron-dhcp-age-PREROUTING
  31. -A OUTPUT -j neutron-dhcp-age-OUTPUT
  32. COMMIT
  33. # Completed on Fri Apr 3 12:13:05 2020
  34. # Generated by iptables-save v1.4.21 on Fri Apr 3 12:13:05 2020
  35. *filter
  36. :INPUT ACCEPT [13:1071]
  37. :FORWARD ACCEPT [0:0]
  38. :OUTPUT ACCEPT [12:993]
  39. :neutron-dhcp-age-FORWARD - [0:0]
  40. :neutron-dhcp-age-INPUT - [0:0]
  41. :neutron-dhcp-age-OUTPUT - [0:0]
  42. :neutron-dhcp-age-local - [0:0]
  43. :neutron-filter-top - [0:0]
  44. -A INPUT -j neutron-dhcp-age-INPUT
  45. -A FORWARD -j neutron-filter-top
  46. -A FORWARD -j neutron-dhcp-age-FORWARD
  47. -A OUTPUT -j neutron-filter-top
  48. -A OUTPUT -j neutron-dhcp-age-OUTPUT
  49. -A neutron-filter-top -j neutron-dhcp-age-local
  50. COMMIT
  51. # Completed on Fri Apr 3 12:13:05 2020
  52. [root@openstack-compute1 ~]#
  53. [root@openstack-compute1 ~]#
  54. [root@openstack-compute1 ~]#
  55. [root@openstack-compute1 ~]# ip netns exec qdhcp-b819739e-730a-4117-9e35-8c6d994f514e curl http://169.254.169.254
  56. <html>
  57. <head>
  58. <title>404 Not Found</title>
  59. </head>
  60. <body>
  61. <h1>404 Not Found</h1>
  62. The resource could not be found.<br /><br />
  63.  
  64.  
  65.  
  66. </body>
  67. </html>[root@openstack-compute1 ~]#
  68. [root@openstack-compute1 ~]#
  69. [root@openstack-compute1 ~]#
  70. [root@openstack-compute1 ~]# ip netns exec qdhcp-b819739e-730a-4117-9e35-8c6d994f514e curl http://169.254.169.254:8775
  71. curl: (7) Failed connect to 169.254.169.254:8775; Connection refused
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