[  483.337493] netdevsim netdevsim489 eni489np1: renamed from eth0
[  483.337702] netdevsim netdevsim751 eni751np1: renamed from eth1
[  483.420256] Could not find device with ifindex 2000 in netnsfd 11
[  483.420342] Could not find netns with fd: 2000
[  483.420386] Cannot link a netdevsim to itself
[  483.420437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).