[ 1481.734840][T22026] gre: GRE over IPv4 demultiplexer driver
[ 1482.280315][T22049] ip_gre: GRE over IPv4 tunneling driver
[ 1499.992360][T22620] ip6_gre: GRE over IPv6 tunneling driver
[ 1508.734363][T22963] ping (22963) used greatest stack depth: 23072 bytes left
[ 1511.734581][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1513.974558][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1516.021566][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.261564][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!