[  762.736020][T14451] netdevsim netdevsim408 eni408np1: renamed from eth0
[  762.750414][T14450] netdevsim netdevsim666 eni666np1: renamed from eth1
[  763.346574][T14439] Could not find device with ifindex 2000 in netnsfd 11
[  763.347111][T14439] Could not find netns with fd: 2000
[  763.347478][T14439] Cannot link a netdevsim to itself
[  763.347905][T14439] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).