[  484.909766] netdevsim netdevsim635 eni635np1: renamed from eth1
[  485.006187] netdevsim netdevsim336 eni336np1: renamed from eth0
[  485.212184] Could not find device with ifindex 2000 in netnsfd 11
[  485.212540] Could not find netns with fd: 2000
[  485.212635] Cannot link a netdevsim to itself
[  485.212749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).