[  456.747785] netdevsim netdevsim352 eni352np1: renamed from eth0
[  456.749706] netdevsim netdevsim717 eni717np1: renamed from eth1
[  456.844177] Could not find device with ifindex 2000 in netnsfd 11
[  456.844288] Could not find netns with fd: 2000
[  456.844335] Cannot link a netdevsim to itself
[  456.844392] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).