[  492.416268] netdevsim netdevsim610 eni610np1: renamed from eth1
[  492.512486] netdevsim netdevsim274 eni274np1: renamed from eth0
[  492.733657] Could not find device with ifindex 2000 in netnsfd 11
[  492.733982] Could not find netns with fd: 2000
[  492.734117] Cannot link a netdevsim to itself
[  492.734246] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).