[  803.352103][T15819] netdevsim netdevsim304 eni304np1: renamed from eth0
[  803.359403][T15820] netdevsim netdevsim513 eni513np1: renamed from eth1
[  804.063542][T15808] Could not find device with ifindex 2000 in netnsfd 11
[  804.064316][T15808] Could not find netns with fd: 2000
[  804.064889][T15808] Cannot link a netdevsim to itself
[  804.065931][T15808] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).