[  534.170606] netdevsim netdevsim745 eni745np1: renamed from eth1
[  534.268094] netdevsim netdevsim472 eni472np1: renamed from eth0
[  534.497008] Could not find device with ifindex 2000 in netnsfd 11
[  534.497238] Could not find netns with fd: 2000
[  534.497358] Cannot link a netdevsim to itself
[  534.497499] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).