[  538.770722] netdevsim netdevsim416 eni416np1: renamed from eth0
[  538.872479] netdevsim netdevsim667 eni667np1: renamed from eth1
[  539.170689] Could not find device with ifindex 2000 in netnsfd 11
[  539.170828] Could not find netns with fd: 2000
[  539.170901] Cannot link a netdevsim to itself
[  539.170989] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).