[  488.794072] netdevsim netdevsim493 eni493np1: renamed from eth0
[  488.895403] netdevsim netdevsim706 eni706np1: renamed from eth1
[  489.223256] Could not find device with ifindex 2000 in netnsfd 11
[  489.223402] Could not find netns with fd: 2000
[  489.223488] Cannot link a netdevsim to itself
[  489.223583] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).