[ 3243.631203][T22126] gre: GRE over IPv4 demultiplexer driver
[ 3245.278479][T22149] ip_gre: GRE over IPv4 tunneling driver
[ 3292.954813][T22724] ip6_gre: GRE over IPv6 tunneling driver
[ 3312.873643][T22975] ping (22975) used greatest stack depth: 23648 bytes left
[ 3325.326114][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3330.190101][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3334.414044][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3339.213061][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!