[ 3194.820489][T28994] gre: GRE over IPv4 demultiplexor driver
[ 3196.055793][T29017] ip_gre: GRE over IPv4 tunneling driver
[ 3232.255553][T29589] ip6_gre: GRE over IPv6 tunneling driver
[ 3247.394981][T29838] ping (29838) used greatest stack depth: 21856 bytes left
[ 3257.057407][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.834328][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.097369][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.321418][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!