[ 4411.329235][T26040] gre: GRE over IPv4 demultiplexor driver
[ 4413.353846][T26064] ip_gre: GRE over IPv4 tunneling driver
[ 4472.495197][T26638] ip6_gre: GRE over IPv6 tunneling driver
[ 4498.101898][T26888] ping (26888) used greatest stack depth: 23648 bytes left
[ 4513.163501][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4518.859434][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.723434][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4529.419429][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!