[  766.267384][T14760] netdevsim netdevsim413 eni413np1: renamed from eth0
[  766.285373][T14762] netdevsim netdevsim543 eni543np1: renamed from eth1
[  766.845228][T14748] Could not find device with ifindex 2000 in netnsfd 11
[  766.845729][T14748] Could not find netns with fd: 2000
[  766.846099][T14748] Cannot link a netdevsim to itself
[  766.846677][T14748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).