[ 1297.914784][T12855] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1297.925303][T12854] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1300.677956][T12842] Could not find device with ifindex 2000 in netnsfd 11
[ 1300.680145][T12842] Could not find netns with fd: 2000
[ 1300.681254][T12842] Cannot link a netdevsim to itself
[ 1300.682355][T12842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).