[  486.177323] netdevsim netdevsim353 eni353np1: renamed from eth0
[  486.278380] netdevsim netdevsim627 eni627np1: renamed from eth1
[  486.651521] Could not find device with ifindex 2000 in netnsfd 11
[  486.651683] Could not find netns with fd: 2000
[  486.651780] Cannot link a netdevsim to itself
[  486.651904] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).