[  764.240489][T14640] netdevsim netdevsim491 eni491np1: renamed from eth0
[  764.265131][T14641] netdevsim netdevsim702 eni702np1: renamed from eth1
[  764.821121][T14628] Could not find device with ifindex 2000 in netnsfd 11
[  764.821739][T14628] Could not find netns with fd: 2000
[  764.827109][T14628] Cannot link a netdevsim to itself
[  764.827637][T14628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).