[ 1243.450569][T11141] netdevsim netdevsim348 eni348np1: renamed from eth0
[ 1243.458316][T11142] netdevsim netdevsim658 eni658np1: renamed from eth1
[ 1246.716212][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.716890][T11135] Could not find netns with fd: 2000
[ 1246.717433][T11135] Cannot link a netdevsim to itself
[ 1246.718078][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).