[  474.592842] netdevsim netdevsim411 eni411np1: renamed from eth0
[  474.594594] netdevsim netdevsim567 eni567np1: renamed from eth0
[  474.682949] Could not find device with ifindex 2000 in netnsfd 11
[  474.683101] Could not find netns with fd: 2000
[  474.683210] Cannot link a netdevsim to itself
[  474.683343] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).