[  813.449849][T15768] netdevsim netdevsim344 eni344np1: renamed from eth0
[  813.457396][T15767] netdevsim netdevsim662 eni662np1: renamed from eth1
[  814.082567][T15755] Could not find device with ifindex 2000 in netnsfd 11
[  814.083181][T15755] Could not find netns with fd: 2000
[  814.083585][T15755] Cannot link a netdevsim to itself
[  814.084024][T15755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).