[ 1236.334127][T12619] netdevsim netdevsim543 eni543np1: renamed from eth1
[ 1236.457873][T12618] netdevsim netdevsim446 eni446np1: renamed from eth0
[ 1239.120295][T12606] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.123529][T12606] Could not find netns with fd: 2000
[ 1239.125565][T12606] Cannot link a netdevsim to itself
[ 1239.127503][T12606] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).