[  483.581600] netdevsim netdevsim327 eni327np1: renamed from eth0
[  483.582005] netdevsim netdevsim571 eni571np1: renamed from eth1
[  483.666173] Could not find device with ifindex 2000 in netnsfd 11
[  483.666252] Could not find netns with fd: 2000
[  483.666299] Cannot link a netdevsim to itself
[  483.666358] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).