[  460.046887] netdevsim netdevsim431 eni431np1: renamed from eth0
[  460.047187] netdevsim netdevsim746 eni746np1: renamed from eth1
[  460.132134] Could not find device with ifindex 2000 in netnsfd 11
[  460.132246] Could not find netns with fd: 2000
[  460.132291] Cannot link a netdevsim to itself
[  460.132341] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).