[ 4734.011878][T24772] gre: GRE over IPv4 demultiplexor driver
[ 4736.208898][T24795] ip_gre: GRE over IPv4 tunneling driver
[ 4801.708805][T25368] ip6_gre: GRE over IPv6 tunneling driver
[ 4840.901314][T25711] ping (25711) used greatest stack depth: 23328 bytes left
[ 4847.083656][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4853.482600][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4858.923553][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4865.393516][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4908.186164][T26284] ping (26284) used greatest stack depth: 22912 bytes left