[ 1259.257329][T12789] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1259.366280][T12792] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1262.035668][T12779] Could not find device with ifindex 2000 in netnsfd 11
[ 1262.036908][T12779] Could not find netns with fd: 2000
[ 1262.037846][T12779] Cannot link a netdevsim to itself
[ 1262.039061][T12779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).