[  724.371029][T13061] netdevsim netdevsim419 eni419np1: renamed from eth0
[  724.383673][T13063] netdevsim netdevsim737 eni737np1: renamed from eth1
[  725.142231][T13049] Could not find device with ifindex 2000 in netnsfd 11
[  725.143116][T13049] Could not find netns with fd: 2000
[  725.143531][T13049] Cannot link a netdevsim to itself
[  725.144001][T13049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).