[  494.434186] netdevsim netdevsim753 eni753np1: renamed from eth1
[  494.530221] netdevsim netdevsim341 eni341np1: renamed from eth0
[  494.746367] Could not find device with ifindex 2000 in netnsfd 11
[  494.746720] Could not find netns with fd: 2000
[  494.746817] Cannot link a netdevsim to itself
[  494.746942] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).