[  477.360228] netdevsim netdevsim426 eni426np1: renamed from eth0
[  477.360812] netdevsim netdevsim609 eni609np1: renamed from eth1
[  477.452174] Could not find device with ifindex 2000 in netnsfd 11
[  477.452263] Could not find netns with fd: 2000
[  477.452305] Cannot link a netdevsim to itself
[  477.452353] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).