[ 1313.969539][T12623] netdevsim netdevsim474 eni474np1: renamed from eth0
[ 1314.090023][T12624] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1316.940506][T12610] Could not find device with ifindex 2000 in netnsfd 11
[ 1316.942088][T12610] Could not find netns with fd: 2000
[ 1316.943297][T12610] Cannot link a netdevsim to itself
[ 1316.944766][T12610] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).