[  510.710242] netdevsim netdevsim727 eni727np1: renamed from eth1
[  510.806385] netdevsim netdevsim396 eni396np1: renamed from eth0
[  511.043225] Could not find device with ifindex 2000 in netnsfd 11
[  511.043502] Could not find netns with fd: 2000
[  511.043623] Cannot link a netdevsim to itself
[  511.043765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).