[ 1222.506237][T11137] netdevsim netdevsim499 eni499np1: renamed from eth0
[ 1222.533933][T11135] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1225.778386][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.779103][T11129] Could not find netns with fd: 2000
[ 1225.779648][T11129] Cannot link a netdevsim to itself
[ 1225.780333][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).