[  513.039303] netdevsim netdevsim440 eni440np1: renamed from eth0
[  513.137381] netdevsim netdevsim532 eni532np1: renamed from eth1
[  513.337875] Could not find device with ifindex 2000 in netnsfd 11
[  513.338083] Could not find netns with fd: 2000
[  513.338177] Cannot link a netdevsim to itself
[  513.338298] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).