[  474.125287] netdevsim netdevsim478 eni478np1: renamed from eth0
[  474.125701] netdevsim netdevsim556 eni556np1: renamed from eth1
[  474.217678] Could not find device with ifindex 2000 in netnsfd 11
[  474.217845] Could not find netns with fd: 2000
[  474.217970] Cannot link a netdevsim to itself
[  474.218104] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).