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[Bug 1536603] [NEW] ping-announced IP as GW's IP, i.e. wrong if target is down and then boots up and starts responding

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Public bug reported:

Ping-announced IP address as source host's IP, i.e. wrong, when target
is down and when the target then boots up  and starts responding, the
response is noted to come from (still) the host itself:

The lines with the response times say the responding IP is the one of
the pinging host itself, instead of the target that was originally being
pinged:

root@ASDF:~# ping 10.200.0.71
PING 10.200.0.71 (10.200.0.71) 56(84) bytes of data.
>From 10.200.0.70 icmp_seq=1 Destination Host Unreachable
>From 10.200.0.70 icmp_seq=2 Destination Host Unreachable
... 
>From 10.200.0.70 icmp_seq=54 Destination Host Unreachable
64 bytes from 10.200.0.70: icmp_seq=55 ttl=64 time=775 ms
64 bytes from 10.200.0.70: icmp_seq=56 ttl=64 time=0.311 ms
...
64 bytes from 10.200.0.70: icmp_seq=78 ttl=64 time=0.250 ms
^C
--- 10.200.0.71 ping statistics ---
78 packets transmitted, 24 received, +40 errors, 69% packet loss, time 77000ms
rtt min/avg/max/mdev = 0.161/32.511/775.464/154.916 ms, pipe 4

root@ASDF:~# ping 10.200.0.71
PING 10.200.0.71 (10.200.0.71) 56(84) bytes of data.
64 bytes from 10.200.0.71: icmp_seq=1 ttl=64 time=0.220 ms
64 bytes from 10.200.0.71: icmp_seq=2 ttl=64 time=0.198 ms
64 bytes from 10.200.0.71: icmp_seq=3 ttl=64 time=0.214 ms
64 bytes from 10.200.0.71: icmp_seq=4 ttl=64 time=0.171 ms
^C
--- 10.200.0.71 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2999ms
rtt min/avg/max/mdev = 0.171/0.200/0.220/0.025 ms

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: iputils-ping 3:20121221-4ubuntu1.1
ProcVersionSignature: Ubuntu 3.16.0-57.77~14.04.1-generic 3.16.7-ckt20
Uname: Linux 3.16.0-57-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Thu Jan 21 14:11:04 2016
InstallationDate: Installed on 2016-01-15 (5 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: iputils
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: iputils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1536603

Title:
  ping-announced IP as GW's IP, i.e. wrong if target is down and then
  boots up  and starts responding

Status in iputils package in Ubuntu:
  New

Bug description:
  Ping-announced IP address as source host's IP, i.e. wrong, when target
  is down and when the target then boots up  and starts responding, the
  response is noted to come from (still) the host itself:

  The lines with the response times say the responding IP is the one of
  the pinging host itself, instead of the target that was originally
  being pinged:

  root@ASDF:~# ping 10.200.0.71
  PING 10.200.0.71 (10.200.0.71) 56(84) bytes of data.
  From 10.200.0.70 icmp_seq=1 Destination Host Unreachable
  From 10.200.0.70 icmp_seq=2 Destination Host Unreachable
  ... 
  From 10.200.0.70 icmp_seq=54 Destination Host Unreachable
  64 bytes from 10.200.0.70: icmp_seq=55 ttl=64 time=775 ms
  64 bytes from 10.200.0.70: icmp_seq=56 ttl=64 time=0.311 ms
  ...
  64 bytes from 10.200.0.70: icmp_seq=78 ttl=64 time=0.250 ms
  ^C
  --- 10.200.0.71 ping statistics ---
  78 packets transmitted, 24 received, +40 errors, 69% packet loss, time 77000ms
  rtt min/avg/max/mdev = 0.161/32.511/775.464/154.916 ms, pipe 4

  root@ASDF:~# ping 10.200.0.71
  PING 10.200.0.71 (10.200.0.71) 56(84) bytes of data.
  64 bytes from 10.200.0.71: icmp_seq=1 ttl=64 time=0.220 ms
  64 bytes from 10.200.0.71: icmp_seq=2 ttl=64 time=0.198 ms
  64 bytes from 10.200.0.71: icmp_seq=3 ttl=64 time=0.214 ms
  64 bytes from 10.200.0.71: icmp_seq=4 ttl=64 time=0.171 ms
  ^C
  --- 10.200.0.71 ping statistics ---
  4 packets transmitted, 4 received, 0% packet loss, time 2999ms
  rtt min/avg/max/mdev = 0.171/0.200/0.220/0.025 ms

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: iputils-ping 3:20121221-4ubuntu1.1
  ProcVersionSignature: Ubuntu 3.16.0-57.77~14.04.1-generic 3.16.7-ckt20
  Uname: Linux 3.16.0-57-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  Date: Thu Jan 21 14:11:04 2016
  InstallationDate: Installed on 2016-01-15 (5 days ago)
  InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: iputils
  UpgradeStatus: No upgrade log present (probably fresh install)

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