[ 1254.121968][T12742] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1254.235908][T12744] netdevsim netdevsim466 eni466np1: renamed from eth0
[ 1257.039621][T12731] Could not find device with ifindex 2000 in netnsfd 11
[ 1257.041766][T12731] Could not find netns with fd: 2000
[ 1257.042980][T12731] Cannot link a netdevsim to itself
[ 1257.044088][T12731] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).