[  482.486398] netdevsim netdevsim510 eni510np1: renamed from eth0
[  482.486748] netdevsim netdevsim653 eni653np1: renamed from eth1
[  482.572837] Could not find device with ifindex 2000 in netnsfd 11
[  482.572920] Could not find netns with fd: 2000
[  482.572962] Cannot link a netdevsim to itself
[  482.573015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).