[  935.981792][T12470] netdevsim netdevsim597 eni597np1: renamed from eth1
[  936.084501][T12472] netdevsim netdevsim303 eni303np1: renamed from eth0
[  937.792005][T12464] Could not find device with ifindex 2000 in netnsfd 11
[  937.792872][T12464] Could not find netns with fd: 2000
[  937.793419][T12464] Cannot link a netdevsim to itself
[  937.794593][T12464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).