[ 3155.504348][T28977] gre: GRE over IPv4 demultiplexor driver
[ 3156.716720][T29000] ip_gre: GRE over IPv4 tunneling driver
[ 3174.296063][T29297] ping (29297) used greatest stack depth: 22992 bytes left
[ 3194.280782][T29573] ip6_gre: GRE over IPv6 tunneling driver
[ 3208.487738][T13689] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3214.439614][ T7409] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3221.542515][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3225.446526][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3228.774503][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3232.614524][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!