[  524.377614] netdevsim netdevsim392 eni392np1: renamed from eth0
[  524.473827] netdevsim netdevsim562 eni562np1: renamed from eth1
[  524.750740] Could not find device with ifindex 2000 in netnsfd 11
[  524.750924] Could not find netns with fd: 2000
[  524.751015] Cannot link a netdevsim to itself
[  524.751131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).