[ 4399.995223][T26047] gre: GRE over IPv4 demultiplexor driver
[ 4402.091563][T26070] ip_gre: GRE over IPv4 tunneling driver
[ 4429.043643][T26331] ping (26331) used greatest stack depth: 22400 bytes left
[ 4464.302209][T26651] ip6_gre: GRE over IPv6 tunneling driver
[ 4507.567332][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4513.519251][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4518.511261][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4524.719248][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!