[  514.769331] netdevsim netdevsim665 eni665np1: renamed from eth1
[  514.867107] netdevsim netdevsim334 eni334np1: renamed from eth0
[  515.067702] Could not find device with ifindex 2000 in netnsfd 11
[  515.067919] Could not find netns with fd: 2000
[  515.068019] Cannot link a netdevsim to itself
[  515.068149] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).