[  526.419368] netdevsim netdevsim425 eni425np1: renamed from eth0
[  526.516632] netdevsim netdevsim581 eni581np1: renamed from eth1
[  526.763358] Could not find device with ifindex 2000 in netnsfd 11
[  526.763545] Could not find netns with fd: 2000
[  526.763643] Cannot link a netdevsim to itself
[  526.763765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).