[  486.673167] netdevsim netdevsim532 eni532np1: renamed from eth1
[  486.769319] netdevsim netdevsim376 eni376np1: renamed from eth0
[  487.014672] Could not find device with ifindex 2000 in netnsfd 11
[  487.014979] Could not find netns with fd: 2000
[  487.015084] Cannot link a netdevsim to itself
[  487.015198] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).