[  807.678169][T15847] netdevsim netdevsim461 eni461np1: renamed from eth0
[  807.695161][T15848] netdevsim netdevsim728 eni728np1: renamed from eth1
[  808.304126][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  808.304751][T15835] Could not find netns with fd: 2000
[  808.305222][T15835] Cannot link a netdevsim to itself
[  808.305747][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).