[  490.362134] netdevsim netdevsim570 eni570np1: renamed from eth1
[  490.458626] netdevsim netdevsim455 eni455np1: renamed from eth0
[  490.686403] Could not find device with ifindex 2000 in netnsfd 11
[  490.686658] Could not find netns with fd: 2000
[  490.686737] Cannot link a netdevsim to itself
[  490.686822] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).