[  542.788927] netdevsim netdevsim322 eni322np1: renamed from eth0
[  542.891151] netdevsim netdevsim518 eni518np1: renamed from eth1
[  543.264619] Could not find device with ifindex 2000 in netnsfd 11
[  543.264805] Could not find netns with fd: 2000
[  543.264902] Cannot link a netdevsim to itself
[  543.265030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).