[  483.973448] netdevsim netdevsim368 eni368np1: renamed from eth0
[  484.075098] netdevsim netdevsim583 eni583np1: renamed from eth1
[  484.403904] Could not find device with ifindex 2000 in netnsfd 11
[  484.404048] Could not find netns with fd: 2000
[  484.404123] Cannot link a netdevsim to itself
[  484.404230] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).