[  524.361053] netdevsim netdevsim479 eni479np1: renamed from eth0
[  524.457749] netdevsim netdevsim732 eni732np1: renamed from eth1
[  524.704435] Could not find device with ifindex 2000 in netnsfd 11
[  524.704601] Could not find netns with fd: 2000
[  524.704689] Cannot link a netdevsim to itself
[  524.704801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).