[  488.526529] netdevsim netdevsim424 eni424np1: renamed from eth0
[  488.623123] netdevsim netdevsim541 eni541np1: renamed from eth1
[  488.830403] Could not find device with ifindex 2000 in netnsfd 11
[  488.830713] Could not find netns with fd: 2000
[  488.830815] Cannot link a netdevsim to itself
[  488.830913] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).