[  472.417752] netdevsim netdevsim411 eni411np1: renamed from eth0
[  472.418131] netdevsim netdevsim599 eni599np1: renamed from eth1
[  472.508390] Could not find device with ifindex 2000 in netnsfd 11
[  472.508494] Could not find netns with fd: 2000
[  472.508537] Cannot link a netdevsim to itself
[  472.508589] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).