[  474.452932] netdevsim netdevsim331 eni331np1: renamed from eth0
[  474.453333] netdevsim netdevsim589 eni589np1: renamed from eth1
[  474.529044] Could not find device with ifindex 2000 in netnsfd 11
[  474.529195] Could not find netns with fd: 2000
[  474.529307] Cannot link a netdevsim to itself
[  474.529422] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).