[  490.385527] netdevsim netdevsim409 eni409np1: renamed from eth0
[  490.486685] netdevsim netdevsim766 eni766np1: renamed from eth1
[  490.851272] Could not find device with ifindex 2000 in netnsfd 11
[  490.851424] Could not find netns with fd: 2000
[  490.851507] Cannot link a netdevsim to itself
[  490.851617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).