[  483.364607] netdevsim netdevsim484 eni484np1: renamed from eth0
[  483.365024] netdevsim netdevsim755 eni755np1: renamed from eth1
[  483.455524] Could not find device with ifindex 2000 in netnsfd 11
[  483.455609] Could not find netns with fd: 2000
[  483.455653] Cannot link a netdevsim to itself
[  483.455705] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).