[  485.574156] netdevsim netdevsim301 eni301np1: renamed from eth0
[  485.574917] netdevsim netdevsim755 eni755np1: renamed from eth1
[  485.661839] Could not find device with ifindex 2000 in netnsfd 11
[  485.661934] Could not find netns with fd: 2000
[  485.661978] Cannot link a netdevsim to itself
[  485.662029] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).