[  473.048655] netdevsim netdevsim539 eni539np1: renamed from eth1
[  473.050064] netdevsim netdevsim368 eni368np1: renamed from eth0
[  473.136633] Could not find device with ifindex 2000 in netnsfd 11
[  473.136766] Could not find netns with fd: 2000
[  473.136865] Cannot link a netdevsim to itself
[  473.136976] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).