[ 1018.399596][T12670] netdevsim netdevsim546 eni546np1: renamed from eth1
[ 1018.485533][T12719] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1020.255241][T12714] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.256748][T12714] Could not find netns with fd: 2000
[ 1020.257819][T12714] Cannot link a netdevsim to itself
[ 1020.259061][T12714] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).