[  523.944626] netdevsim netdevsim593 eni593np1: renamed from eth1
[  524.041007] netdevsim netdevsim463 eni463np1: renamed from eth0
[  524.277583] Could not find device with ifindex 2000 in netnsfd 11
[  524.277791] Could not find netns with fd: 2000
[  524.277912] Cannot link a netdevsim to itself
[  524.278072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).