[  762.265980][T14745] netdevsim netdevsim486 eni486np1: renamed from eth0
[  762.285021][T14747] netdevsim netdevsim615 eni615np1: renamed from eth1
[  762.847659][T14733] Could not find device with ifindex 2000 in netnsfd 11
[  762.848212][T14733] Could not find netns with fd: 2000
[  762.848589][T14733] Cannot link a netdevsim to itself
[  762.849025][T14733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).