[  475.149996] netdevsim netdevsim651 eni651np1: renamed from eth1
[  475.150243] netdevsim netdevsim464 eni464np1: renamed from eth0
[  475.239082] Could not find device with ifindex 2000 in netnsfd 11
[  475.239159] Could not find netns with fd: 2000
[  475.239202] Cannot link a netdevsim to itself
[  475.239250] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).