[ 4684.348253][T24650] gre: GRE over IPv4 demultiplexor driver
[ 4686.474522][T24673] ip_gre: GRE over IPv4 tunneling driver
[ 4724.146364][T25027] ping (25027) used greatest stack depth: 22352 bytes left
[ 4749.874200][T25253] ip6_gre: GRE over IPv6 tunneling driver
[ 4794.635728][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4800.843653][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4805.964630][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4812.171648][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!