[  484.762641] netdevsim netdevsim524 eni524np1: renamed from eth1
[  484.863600] netdevsim netdevsim286 eni286np1: renamed from eth0
[  485.235603] Could not find device with ifindex 2000 in netnsfd 11
[  485.235797] Could not find netns with fd: 2000
[  485.235891] Cannot link a netdevsim to itself
[  485.236017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).