[  522.316048] netdevsim netdevsim395 eni395np1: renamed from eth0
[  522.412403] netdevsim netdevsim731 eni731np1: renamed from eth1
[  522.622096] Could not find device with ifindex 2000 in netnsfd 11
[  522.622300] Could not find netns with fd: 2000
[  522.622386] Cannot link a netdevsim to itself
[  522.622506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).