[  486.852679] netdevsim netdevsim554 eni554np1: renamed from eth1
[  486.948868] netdevsim netdevsim424 eni424np1: renamed from eth0
[  487.169097] Could not find device with ifindex 2000 in netnsfd 11
[  487.169317] Could not find netns with fd: 2000
[  487.169413] Cannot link a netdevsim to itself
[  487.169535] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).