[ 1307.189753][T12864] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1307.324236][T12863] netdevsim netdevsim621 eni621np1: renamed from eth1
[ 1310.012066][T12854] Could not find device with ifindex 2000 in netnsfd 11
[ 1310.013287][T12854] Could not find netns with fd: 2000
[ 1310.014183][T12854] Cannot link a netdevsim to itself
[ 1310.015273][T12854] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).