[  524.078461] netdevsim netdevsim549 eni549np1: renamed from eth1
[  524.175730] netdevsim netdevsim487 eni487np1: renamed from eth0
[  524.413838] Could not find device with ifindex 2000 in netnsfd 11
[  524.414002] Could not find netns with fd: 2000
[  524.414075] Cannot link a netdevsim to itself
[  524.414176] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).