[  497.594746] netdevsim netdevsim453 eni453np1: renamed from eth0
[  497.689541] netdevsim netdevsim664 eni664np1: renamed from eth1
[  497.954638] Could not find device with ifindex 2000 in netnsfd 11
[  497.955058] Could not find netns with fd: 2000
[  497.955151] Cannot link a netdevsim to itself
[  497.955255] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).