[  518.351394] netdevsim netdevsim463 eni463np1: renamed from eth0
[  518.448782] netdevsim netdevsim588 eni588np1: renamed from eth1
[  518.672749] Could not find device with ifindex 2000 in netnsfd 11
[  518.672923] Could not find netns with fd: 2000
[  518.673010] Cannot link a netdevsim to itself
[  518.673113] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).