[  474.652697] netdevsim netdevsim486 eni486np1: renamed from eth0
[  474.653208] netdevsim netdevsim634 eni634np1: renamed from eth1
[  474.735901] Could not find device with ifindex 2000 in netnsfd 11
[  474.735989] Could not find netns with fd: 2000
[  474.736045] Cannot link a netdevsim to itself
[  474.736099] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).