[  456.914745] netdevsim netdevsim353 eni353np1: renamed from eth0
[  456.915475] netdevsim netdevsim517 eni517np1: renamed from eth1
[  457.020412] Could not find device with ifindex 2000 in netnsfd 11
[  457.020527] Could not find netns with fd: 2000
[  457.020572] Cannot link a netdevsim to itself
[  457.020622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).