[  481.046776] netdevsim netdevsim291 eni291np1: renamed from eth0
[  481.047119] netdevsim netdevsim529 eni529np1: renamed from eth1
[  481.136428] Could not find device with ifindex 2000 in netnsfd 11
[  481.136627] Could not find netns with fd: 2000
[  481.136754] Cannot link a netdevsim to itself
[  481.136910] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).