[  471.410954] netdevsim netdevsim357 eni357np1: renamed from eth0
[  471.411714] netdevsim netdevsim730 eni730np1: renamed from eth1
[  471.486807] Could not find device with ifindex 2000 in netnsfd 11
[  471.486929] Could not find netns with fd: 2000
[  471.487040] Cannot link a netdevsim to itself
[  471.487147] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).