[  511.145732] netdevsim netdevsim711 eni711np1: renamed from eth1
[  511.243567] netdevsim netdevsim498 eni498np1: renamed from eth0
[  511.450867] Could not find device with ifindex 2000 in netnsfd 11
[  511.451091] Could not find netns with fd: 2000
[  511.451190] Cannot link a netdevsim to itself
[  511.451297] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).