[  817.695798][T15779] netdevsim netdevsim451 eni451np1: renamed from eth0
[  817.716660][T15777] netdevsim netdevsim619 eni619np1: renamed from eth1
[  818.354141][T15766] Could not find device with ifindex 2000 in netnsfd 11
[  818.355003][T15766] Could not find netns with fd: 2000
[  818.355609][T15766] Cannot link a netdevsim to itself
[  818.356425][T15766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).