[ 4722.549957][T24782] gre: GRE over IPv4 demultiplexor driver
[ 4724.682185][T24805] ip_gre: GRE over IPv4 tunneling driver
[ 4757.872646][T25101] ping (25101) used greatest stack depth: 23008 bytes left
[ 4788.901495][T25377] ip6_gre: GRE over IPv6 tunneling driver
[ 4832.958269][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4839.038183][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4844.222197][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4850.303172][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!