[  462.040616] netdevsim netdevsim670 eni670np1: renamed from eth1
[  462.040882] netdevsim netdevsim359 eni359np1: renamed from eth0
[  462.133986] Could not find device with ifindex 2000 in netnsfd 11
[  462.134173] Could not find netns with fd: 2000
[  462.134321] Cannot link a netdevsim to itself
[  462.134464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).