[ 1238.186204][T11135] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1238.205180][T11136] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1241.358793][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.365135][T11128] Could not find netns with fd: 2000
[ 1241.365881][T11128] Cannot link a netdevsim to itself
[ 1241.366605][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).