[  514.852816] netdevsim netdevsim532 eni532np1: renamed from eth1
[  514.951034] netdevsim netdevsim319 eni319np1: renamed from eth0
[  515.186177] Could not find device with ifindex 2000 in netnsfd 11
[  515.186395] Could not find netns with fd: 2000
[  515.186488] Cannot link a netdevsim to itself
[  515.186588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).