[  522.526997] netdevsim netdevsim590 eni590np1: renamed from eth1
[  522.624627] netdevsim netdevsim326 eni326np1: renamed from eth0
[  522.877167] Could not find device with ifindex 2000 in netnsfd 11
[  522.877415] Could not find netns with fd: 2000
[  522.877546] Cannot link a netdevsim to itself
[  522.877673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).