[ 1294.838811][T12855] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1294.912924][T12854] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1297.674205][T12842] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.677293][T12842] Could not find netns with fd: 2000
[ 1297.678633][T12842] Cannot link a netdevsim to itself
[ 1297.680448][T12842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).