[  482.940586] netdevsim netdevsim481 eni481np1: renamed from eth0
[  483.042227] netdevsim netdevsim522 eni522np1: renamed from eth1
[  483.388709] Could not find device with ifindex 2000 in netnsfd 11
[  483.388853] Could not find netns with fd: 2000
[  483.388934] Cannot link a netdevsim to itself
[  483.389031] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).