[  455.112855] netdevsim netdevsim295 eni295np1: renamed from eth0
[  455.114397] netdevsim netdevsim748 eni748np1: renamed from eth1
[  455.209606] Could not find device with ifindex 2000 in netnsfd 11
[  455.209699] Could not find netns with fd: 2000
[  455.209748] Cannot link a netdevsim to itself
[  455.209799] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).