[  475.089975] netdevsim netdevsim581 eni581np1: renamed from eth1
[  475.090133] netdevsim netdevsim428 eni428np1: renamed from eth0
[  475.165478] Could not find device with ifindex 2000 in netnsfd 11
[  475.165570] Could not find netns with fd: 2000
[  475.165616] Cannot link a netdevsim to itself
[  475.165668] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).