[  481.728642] netdevsim netdevsim381 eni381np1: renamed from eth0
[  481.729708] netdevsim netdevsim575 eni575np1: renamed from eth1
[  481.830776] Could not find device with ifindex 2000 in netnsfd 11
[  481.830919] Could not find netns with fd: 2000
[  481.831024] Cannot link a netdevsim to itself
[  481.831144] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).