[  485.426117] netdevsim netdevsim283 eni283np1: renamed from eth0
[  485.527772] netdevsim netdevsim671 eni671np1: renamed from eth1
[  485.926679] Could not find device with ifindex 2000 in netnsfd 11
[  485.926822] Could not find netns with fd: 2000
[  485.926905] Cannot link a netdevsim to itself
[  485.927007] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).