[  484.751508] netdevsim netdevsim302 eni302np1: renamed from eth0
[  484.753476] netdevsim netdevsim743 eni743np1: renamed from eth1
[  484.844220] Could not find device with ifindex 2000 in netnsfd 11
[  484.844318] Could not find netns with fd: 2000
[  484.844363] Cannot link a netdevsim to itself
[  484.844412] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).