[ 1199.831066][T12777] netdevsim netdevsim524 eni524np1: renamed from eth1
[ 1199.960450][T12775] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1202.567470][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1202.568923][T12767] Could not find netns with fd: 2000
[ 1202.569923][T12767] Cannot link a netdevsim to itself
[ 1202.571177][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).