[ 4061.361846][T24591] gre: GRE over IPv4 demultiplexor driver
[ 4063.412662][T24615] ip_gre: GRE over IPv4 tunneling driver
[ 4123.192951][T25197] ip6_gre: GRE over IPv6 tunneling driver
[ 4159.562950][T25540] ping (25540) used greatest stack depth: 21808 bytes left
[ 4165.829141][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4171.973073][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4177.477097][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4183.622098][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!