[  484.921458] netdevsim netdevsim485 eni485np1: renamed from eth0
[  485.023270] netdevsim netdevsim561 eni561np1: renamed from eth1
[  485.398408] Could not find device with ifindex 2000 in netnsfd 11
[  485.398558] Could not find netns with fd: 2000
[  485.398641] Cannot link a netdevsim to itself
[  485.398757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).