[  838.865825][T15773] netdevsim netdevsim470 eni470np1: renamed from eth0
[  838.872546][T15774] netdevsim netdevsim556 eni556np1: renamed from eth1
[  839.630941][T15761] Could not find device with ifindex 2000 in netnsfd 11
[  839.632090][T15761] Could not find netns with fd: 2000
[  839.632883][T15761] Cannot link a netdevsim to itself
[  839.633418][T15761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).