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  1. root@ovirtnode1]# tcpdump -i vnet0 -pvn port 67 and port 68
  2. tcpdump: listening on vnet0, link-type EN10MB (Ethernet), capture size 262144 bytes
  3. 15:51:37.348025 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  4.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, Flags [none]
  5.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  6.           Vendor-rfc1048 Extensions
  7.             Magic Cookie 0x63825363
  8.             DHCP-Message Option 53, length 1: Discover
  9.             Requested-IP Option 50, length 4: XX.XX.0.220
  10.             Hostname Option 12, length 4: "myvm"
  11.             Parameter-Request Option 55, length 13:
  12.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  13.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  14.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  15.               NTP
  16. 15:51:37.348092 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  17.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, Flags [none]
  18.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  19.           Vendor-rfc1048 Extensions
  20.             Magic Cookie 0x63825363
  21.             DHCP-Message Option 53, length 1: Discover
  22.             Requested-IP Option 50, length 4: XX.XX.0.220
  23.             Hostname Option 12, length 4: "myvm"
  24.             Parameter-Request Option 55, length 13:
  25.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  26.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  27.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  28.               NTP
  29. 15:51:37.348099 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  30.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, Flags [none]
  31.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  32.           Vendor-rfc1048 Extensions
  33.             Magic Cookie 0x63825363
  34.             DHCP-Message Option 53, length 1: Discover
  35.             Requested-IP Option 50, length 4: XX.XX.0.220
  36.             Hostname Option 12, length 4: "myvm"
  37.             Parameter-Request Option 55, length 13:
  38.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  39.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  40.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  41.               NTP
  42. 15:51:42.803326 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  43.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 5, Flags [none]
  44.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  45.           Vendor-rfc1048 Extensions
  46.             Magic Cookie 0x63825363
  47.             DHCP-Message Option 53, length 1: Discover
  48.             Requested-IP Option 50, length 4: XX.XX.0.220
  49.             Hostname Option 12, length 4: "myvm"
  50.             Parameter-Request Option 55, length 13:
  51.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  52.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  53.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  54.               NTP
  55. 15:51:42.803369 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  56.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 5, Flags [none]
  57.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  58.           Vendor-rfc1048 Extensions
  59.             Magic Cookie 0x63825363
  60.             DHCP-Message Option 53, length 1: Discover
  61.             Requested-IP Option 50, length 4: XX.XX.0.220
  62.             Hostname Option 12, length 4: "myvm"
  63.             Parameter-Request Option 55, length 13:
  64.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  65.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  66.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  67.               NTP
  68. 15:51:42.803379 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  69.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 5, Flags [none]
  70.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  71.           Vendor-rfc1048 Extensions
  72.             Magic Cookie 0x63825363
  73.             DHCP-Message Option 53, length 1: Discover
  74.             Requested-IP Option 50, length 4: XX.XX.0.220
  75.             Hostname Option 12, length 4: "myvm"
  76.             Parameter-Request Option 55, length 13:
  77.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  78.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  79.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  80.               NTP
  81. 15:51:49.520639 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  82.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 12, Flags [none]
  83.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  84.           Vendor-rfc1048 Extensions
  85.             Magic Cookie 0x63825363
  86.             DHCP-Message Option 53, length 1: Discover
  87.             Requested-IP Option 50, length 4: XX.XX.0.220
  88.             Hostname Option 12, length 4: "myvm"
  89.             Parameter-Request Option 55, length 13:
  90.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  91.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  92.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  93.               NTP
  94. 15:51:49.520689 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  95.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 12, Flags [none]
  96.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  97.           Vendor-rfc1048 Extensions
  98.             Magic Cookie 0x63825363
  99.             DHCP-Message Option 53, length 1: Discover
  100.             Requested-IP Option 50, length 4: XX.XX.0.220
  101.             Hostname Option 12, length 4: "myvm"
  102.             Parameter-Request Option 55, length 13:
  103.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  104.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  105.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  106.               NTP
  107. 15:51:49.520695 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  108.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 12, Flags [none]
  109.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  110.           Vendor-rfc1048 Extensions
  111.             Magic Cookie 0x63825363
  112.             DHCP-Message Option 53, length 1: Discover
  113.             Requested-IP Option 50, length 4: XX.XX.0.220
  114.             Hostname Option 12, length 4: "myvm"
  115.             Parameter-Request Option 55, length 13:
  116.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  117.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  118.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  119.               NTP
  120. 15:52:02.615765 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  121.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 25, Flags [none]
  122.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  123.           Vendor-rfc1048 Extensions
  124.             Magic Cookie 0x63825363
  125.             DHCP-Message Option 53, length 1: Discover
  126.             Requested-IP Option 50, length 4: XX.XX.0.220
  127.             Hostname Option 12, length 4: "myvm"
  128.             Parameter-Request Option 55, length 13:
  129.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  130.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  131.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  132.               NTP
  133. 15:52:02.615808 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  134.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 25, Flags [none]
  135.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  136.           Vendor-rfc1048 Extensions
  137.             Magic Cookie 0x63825363
  138.             DHCP-Message Option 53, length 1: Discover
  139.             Requested-IP Option 50, length 4: XX.XX.0.220
  140.             Hostname Option 12, length 4: "myvm"
  141.             Parameter-Request Option 55, length 13:
  142.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  143.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  144.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  145.               NTP
  146. 15:52:02.615818 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  147.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 25, Flags [none]
  148.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  149.           Vendor-rfc1048 Extensions
  150.             Magic Cookie 0x63825363
  151.             DHCP-Message Option 53, length 1: Discover
  152.             Requested-IP Option 50, length 4: XX.XX.0.220
  153.             Hostname Option 12, length 4: "myvm"
  154.             Parameter-Request Option 55, length 13:
  155.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  156.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  157.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  158.               NTP
  159. 15:52:22.321140 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  160.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 45, Flags [none]
  161.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  162.           Vendor-rfc1048 Extensions
  163.             Magic Cookie 0x63825363
  164.             DHCP-Message Option 53, length 1: Discover
  165.             Requested-IP Option 50, length 4: XX.XX.0.220
  166.             Hostname Option 12, length 4: "myvm"
  167.             Parameter-Request Option 55, length 13:
  168.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  169.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  170.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  171.               NTP
  172. 15:52:22.321190 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  173.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 45, Flags [none]
  174.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  175.           Vendor-rfc1048 Extensions
  176.             Magic Cookie 0x63825363
  177.             DHCP-Message Option 53, length 1: Discover
  178.             Requested-IP Option 50, length 4: XX.XX.0.220
  179.             Hostname Option 12, length 4: "myvm"
  180.             Parameter-Request Option 55, length 13:
  181.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  182.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  183.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  184.               NTP
  185. 15:52:22.321197 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  186.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 45, Flags [none]
  187.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  188.           Vendor-rfc1048 Extensions
  189.             Magic Cookie 0x63825363
  190.             DHCP-Message Option 53, length 1: Discover
  191.             Requested-IP Option 50, length 4: XX.XX.0.220
  192.             Hostname Option 12, length 4: "myvm"
  193.             Parameter-Request Option 55, length 13:
  194.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  195.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  196.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  197.               NTP
  198. 15:52:29.347915 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  199.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 52, Flags [none]
  200.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  201.           Vendor-rfc1048 Extensions
  202.             Magic Cookie 0x63825363
  203.             DHCP-Message Option 53, length 1: Discover
  204.             Requested-IP Option 50, length 4: XX.XX.0.220
  205.             Hostname Option 12, length 4: "myvm"
  206.             Parameter-Request Option 55, length 13:
  207.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  208.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  209.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  210.               NTP
  211. 15:52:29.347965 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  212.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 52, Flags [none]
  213.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  214.           Vendor-rfc1048 Extensions
  215.             Magic Cookie 0x63825363
  216.             DHCP-Message Option 53, length 1: Discover
  217.             Requested-IP Option 50, length 4: XX.XX.0.220
  218.             Hostname Option 12, length 4: "myvm"
  219.             Parameter-Request Option 55, length 13:
  220.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  221.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  222.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  223.               NTP
  224. 15:52:29.347981 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
  225.     0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 56:6f:a5:6a:00:00, length 300, xid 0x134b446a, secs 52, Flags [none]
  226.           Client-Ethernet-Address 56:6f:a5:6a:00:00
  227.           Vendor-rfc1048 Extensions
  228.             Magic Cookie 0x63825363
  229.             DHCP-Message Option 53, length 1: Discover
  230.             Requested-IP Option 50, length 4: XX.XX.0.220
  231.             Hostname Option 12, length 4: "myvm"
  232.             Parameter-Request Option 55, length 13:
  233.               Subnet-Mask, BR, Time-Zone, Default-Gateway
  234.               Domain-Name, Domain-Name-Server, Option 119, Hostname
  235.               Netbios-Name-Server, Netbios-Scope, MTU, Classless-Static-Route
  236.               NTP
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