[  516.751394] netdevsim netdevsim628 eni628np1: renamed from eth1
[  516.848283] netdevsim netdevsim264 eni264np1: renamed from eth0
[  517.084432] Could not find device with ifindex 2000 in netnsfd 11
[  517.084653] Could not find netns with fd: 2000
[  517.084758] Cannot link a netdevsim to itself
[  517.084889] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).