[  495.717174] netdevsim netdevsim342 eni342np1: renamed from eth0
[  495.813659] netdevsim netdevsim556 eni556np1: renamed from eth1
[  496.090310] Could not find device with ifindex 2000 in netnsfd 11
[  496.090742] Could not find netns with fd: 2000
[  496.090844] Cannot link a netdevsim to itself
[  496.090958] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).