[  488.301459] netdevsim netdevsim332 eni332np1: renamed from eth0
[  488.301604] netdevsim netdevsim575 eni575np1: renamed from eth1
[  488.400964] Could not find device with ifindex 2000 in netnsfd 11
[  488.401072] Could not find netns with fd: 2000
[  488.401121] Cannot link a netdevsim to itself
[  488.401170] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).