[ 4278.320237][T19586] gre: GRE over IPv4 demultiplexor driver
[ 4279.924932][T19609] ip_gre: GRE over IPv4 tunneling driver
[ 4327.405126][T20181] ip6_gre: GRE over IPv6 tunneling driver
[ 4343.610581][T20381] ping (20381) used greatest stack depth: 24048 bytes left
[ 4347.620264][T20431] ping (20431) used greatest stack depth: 23440 bytes left
[ 4360.203507][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4365.003390][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4369.163376][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4373.899424][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!