[ 3159.095231][T27838] gre: GRE over IPv4 demultiplexor driver
[ 3160.263908][T27861] ip_gre: GRE over IPv4 tunneling driver
[ 3197.773934][T28439] ip6_gre: GRE over IPv6 tunneling driver
[ 3216.942510][   T25] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3219.766979][T28791] ping (28791) used greatest stack depth: 23360 bytes left
[ 3224.303398][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3228.270404][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3231.598403][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.374450][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!