[  526.777322] netdevsim netdevsim745 eni745np1: renamed from eth1
[  526.873683] netdevsim netdevsim430 eni430np1: renamed from eth0
[  527.095531] Could not find device with ifindex 2000 in netnsfd 11
[  527.095778] Could not find netns with fd: 2000
[  527.095888] Cannot link a netdevsim to itself
[  527.096026] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).