[  525.944504] netdevsim netdevsim536 eni536np1: renamed from eth1
[  526.045732] netdevsim netdevsim479 eni479np1: renamed from eth0
[  526.351734] Could not find device with ifindex 2000 in netnsfd 11
[  526.352047] Could not find netns with fd: 2000
[  526.352174] Cannot link a netdevsim to itself
[  526.352340] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).