[  474.003798] netdevsim netdevsim382 eni382np1: renamed from eth0
[  474.006377] netdevsim netdevsim521 eni521np1: renamed from eth1
[  474.091075] Could not find device with ifindex 2000 in netnsfd 11
[  474.091214] Could not find netns with fd: 2000
[  474.091318] Cannot link a netdevsim to itself
[  474.091433] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).