[ 1584.159555][T27014] gre: GRE over IPv4 demultiplexer driver
[ 1584.700531][T27038] ip_gre: GRE over IPv4 tunneling driver
[ 1590.698846][T27298] ping (27298) used greatest stack depth: 23408 bytes left
[ 1601.337324][T27617] ip6_gre: GRE over IPv6 tunneling driver
[ 1609.333575][T27960] ping (27960) used greatest stack depth: 22608 bytes left
[ 1612.204079][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1614.252049][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1616.171060][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1618.219051][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!