[  524.580604] netdevsim netdevsim277 eni277np1: renamed from eth0
[  524.678327] netdevsim netdevsim585 eni585np1: renamed from eth1
[  524.924389] Could not find device with ifindex 2000 in netnsfd 11
[  524.924614] Could not find netns with fd: 2000
[  524.924724] Cannot link a netdevsim to itself
[  524.924851] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).