[  487.760605] netdevsim netdevsim479 eni479np1: renamed from eth0
[  487.857371] netdevsim netdevsim610 eni610np1: renamed from eth1
[  488.074323] Could not find device with ifindex 2000 in netnsfd 11
[  488.074630] Could not find netns with fd: 2000
[  488.074769] Cannot link a netdevsim to itself
[  488.074891] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).