[  474.589261] netdevsim netdevsim388 eni388np1: renamed from eth0
[  474.589436] netdevsim netdevsim697 eni697np1: renamed from eth1
[  474.685972] Could not find device with ifindex 2000 in netnsfd 11
[  474.686097] Could not find netns with fd: 2000
[  474.686155] Cannot link a netdevsim to itself
[  474.686209] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).