[  762.021294][T14639] netdevsim netdevsim273 eni273np1: renamed from eth0
[  762.029677][T14641] netdevsim netdevsim617 eni617np1: renamed from eth1
[  762.586441][T14627] Could not find device with ifindex 2000 in netnsfd 11
[  762.587344][T14627] Could not find netns with fd: 2000
[  762.587792][T14627] Cannot link a netdevsim to itself
[  762.588338][T14627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).