[ 1299.921266][T12057] netdevsim netdevsim733 eni733np1: renamed from eth1
[ 1299.939223][T12058] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1303.612673][T12050] Could not find device with ifindex 2000 in netnsfd 11
[ 1303.613776][T12050] Could not find netns with fd: 2000
[ 1303.614671][T12050] Cannot link a netdevsim to itself
[ 1303.617843][T12050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).