[ 1772.248334][ T5118] gre: GRE over IPv4 demultiplexer driver
[ 1772.748371][ T5141] ip_gre: GRE over IPv4 tunneling driver
[ 1789.275350][ T5721] ip6_gre: GRE over IPv6 tunneling driver
[ 1797.214788][ T6065] ping (6065) used greatest stack depth: 22608 bytes left
[ 1800.131783][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1802.180747][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1804.099746][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1806.212760][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!