[  474.787909] netdevsim netdevsim283 eni283np1: renamed from eth0
[  474.788297] netdevsim netdevsim634 eni634np1: renamed from eth1
[  474.871113] Could not find device with ifindex 2000 in netnsfd 11
[  474.871212] Could not find netns with fd: 2000
[  474.871259] Cannot link a netdevsim to itself
[  474.871313] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).