[  766.198930][T14290] netdevsim netdevsim490 eni490np1: renamed from eth0
[  766.217592][T14292] netdevsim netdevsim603 eni603np1: renamed from eth1
[  766.780982][T14278] Could not find device with ifindex 2000 in netnsfd 11
[  766.781501][T14278] Could not find netns with fd: 2000
[  766.781852][T14278] Cannot link a netdevsim to itself
[  766.782274][T14278] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).