[  510.377054] netdevsim netdevsim435 eni435np1: renamed from eth0
[  510.474702] netdevsim netdevsim643 eni643np1: renamed from eth1
[  510.675920] Could not find device with ifindex 2000 in netnsfd 11
[  510.676071] Could not find netns with fd: 2000
[  510.676154] Cannot link a netdevsim to itself
[  510.676262] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).