[  473.677290] netdevsim netdevsim342 eni342np1: renamed from eth0
[  473.677707] netdevsim netdevsim534 eni534np1: renamed from eth1
[  473.760176] Could not find device with ifindex 2000 in netnsfd 11
[  473.760276] Could not find netns with fd: 2000
[  473.760324] Cannot link a netdevsim to itself
[  473.760418] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).