[  492.726491] netdevsim netdevsim455 eni455np1: renamed from eth0
[  492.727139] netdevsim netdevsim532 eni532np1: renamed from eth1
[  492.820832] Could not find device with ifindex 2000 in netnsfd 11
[  492.820929] Could not find netns with fd: 2000
[  492.820973] Cannot link a netdevsim to itself
[  492.821022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).