[  488.464726] netdevsim netdevsim469 eni469np1: renamed from eth0
[  488.561682] netdevsim netdevsim537 eni537np1: renamed from eth1
[  488.772380] Could not find device with ifindex 2000 in netnsfd 11
[  488.772707] Could not find netns with fd: 2000
[  488.772820] Cannot link a netdevsim to itself
[  488.772955] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).