[ 1270.746173][T12847] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1270.852657][T12849] netdevsim netdevsim279 eni279np1: renamed from eth0
[ 1273.741180][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.743798][T12838] Could not find netns with fd: 2000
[ 1273.745062][T12838] Cannot link a netdevsim to itself
[ 1273.746238][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).