[  488.445163] netdevsim netdevsim334 eni334np1: renamed from eth0
[  488.445944] netdevsim netdevsim571 eni571np1: renamed from eth1
[  488.529344] Could not find device with ifindex 2000 in netnsfd 11
[  488.529448] Could not find netns with fd: 2000
[  488.529501] Cannot link a netdevsim to itself
[  488.529557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).