[  539.785604] netdevsim netdevsim354 eni354np1: renamed from eth0
[  539.887289] netdevsim netdevsim615 eni615np1: renamed from eth1
[  540.260779] Could not find device with ifindex 2000 in netnsfd 11
[  540.260935] Could not find netns with fd: 2000
[  540.261015] Cannot link a netdevsim to itself
[  540.261110] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).