[  514.434546] netdevsim netdevsim279 eni279np1: renamed from eth0
[  514.532215] netdevsim netdevsim554 eni554np1: renamed from eth1
[  514.723551] Could not find device with ifindex 2000 in netnsfd 11
[  514.723711] Could not find netns with fd: 2000
[  514.723799] Cannot link a netdevsim to itself
[  514.723899] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).