[ 1238.130578][T11144] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1238.241897][T11143] netdevsim netdevsim544 eni544np1: renamed from eth1
[ 1241.725268][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.726787][T11136] Could not find netns with fd: 2000
[ 1241.727428][T11136] Cannot link a netdevsim to itself
[ 1241.728103][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).