[  521.654653] netdevsim netdevsim418 eni418np1: renamed from eth0
[  521.753145] netdevsim netdevsim583 eni583np1: renamed from eth1
[  522.006647] Could not find device with ifindex 2000 in netnsfd 11
[  522.006824] Could not find netns with fd: 2000
[  522.006899] Cannot link a netdevsim to itself
[  522.007017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).