[  737.792176][T13084] netdevsim netdevsim463 eni463np1: renamed from eth0
[  737.813576][T13086] netdevsim netdevsim577 eni577np1: renamed from eth1
[  738.459660][T13072] Could not find device with ifindex 2000 in netnsfd 11
[  738.460486][T13072] Could not find netns with fd: 2000
[  738.460876][T13072] Cannot link a netdevsim to itself
[  738.461331][T13072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).