In beta1 testing I saw this on x86_64 instances only. 3 times out of the 41 x86_64 instances.
INSTANCE i-26ea4751 ami-d984afad ec2-79-125-40-23.eu-west-1.compute.amazonaws.com ip-10-228-179-175.eu-west-1.compute.internal running ec2-keypair.eu-west-1 3 m1.large 2010-03-17T16:27:09+0000 eu-west-1b aki-e58da691 monitoring-disabled 79.125.40.23 10.228.179.175 instance-store
INSTANCE i-6708a70c ami-2530df4c ec2-184-73-58-38.compute-1.amazonaws.com ip-10-194-211-176.ec2.internal running ec2-keypair.us-east-1 0 m1.large 2010-03-17T17:22:48+0000 us-east-1c aki-11c72878 monitoring-disabled 184.73.58.38 10.194.211.176 instance-store
INSTANCE i-7d08a716 ami-2530df4c ec2-174-129-172-202.compute-1.amazonaws.com ip-10-194-103-160.ec2.internal running ec2-keypair.us-east-1 5 m1.large 2010-03-17T17:22:48+0000 us-east-1c aki-11c72878 monitoring-disabled 174.129.172.202 10.194.103.160 instance-store
In beta1 testing I saw this on x86_64 instances only. 3 times out of the 41 x86_64 instances.
INSTANCE i-26ea4751 ami-d984afad ec2-79- 125-40- 23.eu-west- 1.compute. amazonaws. com ip-10-228- 179-175. eu-west- 1.compute. internal running ec2-keypair. eu-west- 1 3 m1.large 2010-03- 17T16:27: 09+0000 eu-west-1b aki-e58da691 monitoring-disabled 79.125.40.23 10.228.179.175 instance-store
INSTANCE i-6708a70c ami-2530df4c ec2-184- 73-58-38. compute- 1.amazonaws. com ip-10-194- 211-176. ec2.internal running ec2-keypair. us-east- 1 0 m1.large 2010-03- 17T17:22: 48+0000 us-east-1c aki-11c72878 monitoring-disabled 184.73.58.38 10.194.211.176 instance-store
INSTANCE i-7d08a716 ami-2530df4c ec2-174- 129-172- 202.compute- 1.amazonaws. com ip-10-194- 103-160. ec2.internal running ec2-keypair. us-east- 1 5 m1.large 2010-03- 17T17:22: 48+0000 us-east-1c aki-11c72878 monitoring-disabled 174.129.172.202 10.194.103.160 instance-store