[  783.604552][T14773] netdevsim netdevsim307 eni307np1: renamed from eth0
[  783.634369][T14775] netdevsim netdevsim555 eni555np1: renamed from eth1
[  784.453174][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  784.453734][T14761] Could not find netns with fd: 2000
[  784.454122][T14761] Cannot link a netdevsim to itself
[  784.454573][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).