[  486.916691] netdevsim netdevsim438 eni438np1: renamed from eth0
[  487.017478] netdevsim netdevsim634 eni634np1: renamed from eth1
[  487.367340] Could not find device with ifindex 2000 in netnsfd 11
[  487.367501] Could not find netns with fd: 2000
[  487.367591] Cannot link a netdevsim to itself
[  487.367707] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).