[ 1588.104777][T27315] gre: GRE over IPv4 demultiplexer driver
[ 1588.633744][T27338] ip_gre: GRE over IPv4 tunneling driver
[ 1604.571335][T27909] ip6_gre: GRE over IPv6 tunneling driver
[ 1610.120497][T28158] ping (28158) used greatest stack depth: 23072 bytes left
[ 1614.950419][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1616.933392][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1618.789397][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1620.773395][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!