[  491.676518] netdevsim netdevsim476 eni476np1: renamed from eth0
[  491.677202] netdevsim netdevsim522 eni522np1: renamed from eth1
[  491.784982] Could not find device with ifindex 2000 in netnsfd 11
[  491.785123] Could not find netns with fd: 2000
[  491.785240] Cannot link a netdevsim to itself
[  491.785386] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).