[ 1240.439922][T11136] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1240.460347][T11134] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1243.783522][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.784325][T11128] Could not find netns with fd: 2000
[ 1243.784953][T11128] Cannot link a netdevsim to itself
[ 1243.785664][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).