[  477.769640] netdevsim netdevsim372 eni372np1: renamed from eth0
[  477.771455] netdevsim netdevsim761 eni761np1: renamed from eth1
[  477.867953] Could not find device with ifindex 2000 in netnsfd 11
[  477.868038] Could not find netns with fd: 2000
[  477.868085] Cannot link a netdevsim to itself
[  477.868135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).