[  484.510673] netdevsim netdevsim482 eni482np1: renamed from eth0
[  484.512504] netdevsim netdevsim752 eni752np1: renamed from eth1
[  484.816314] Could not find device with ifindex 2000 in netnsfd 11
[  484.816458] Could not find netns with fd: 2000
[  484.816540] Cannot link a netdevsim to itself
[  484.816630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).