[  487.746160] netdevsim netdevsim283 eni283np1: renamed from eth0
[  487.842724] netdevsim netdevsim722 eni722np1: renamed from eth1
[  488.063833] Could not find device with ifindex 2000 in netnsfd 11
[  488.064029] Could not find netns with fd: 2000
[  488.064102] Cannot link a netdevsim to itself
[  488.064189] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).