[  488.472526] netdevsim netdevsim322 eni322np1: renamed from eth0
[  488.569665] netdevsim netdevsim764 eni764np1: renamed from eth1
[  488.788206] Could not find device with ifindex 2000 in netnsfd 11
[  488.788518] Could not find netns with fd: 2000
[  488.788593] Cannot link a netdevsim to itself
[  488.788679] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).