[ 1011.629862][T12478] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1011.723463][T12479] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1013.588996][T12471] Could not find device with ifindex 2000 in netnsfd 11
[ 1013.589989][T12471] Could not find netns with fd: 2000
[ 1013.590685][T12471] Cannot link a netdevsim to itself
[ 1013.591450][T12471] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).