[ 1223.843485][T11136] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1223.858565][T11135] netdevsim netdevsim606 eni606np1: renamed from eth1
[ 1227.312953][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.314056][T11128] Could not find netns with fd: 2000
[ 1227.315003][T11128] Cannot link a netdevsim to itself
[ 1227.316049][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).