raise RuntimeError(
'Invalid ICMPv6 echo reply received ID {0} seq {1} should be ' +
'ID {2} seq {3}'.format(icmpv6.id, icmpv6.seq, echo_id, echo_seq))
raise RuntimeError(
'Invalid ICMPv6 echo reply received ID {0} seq {1} should be ' +
'ID {2} seq {3}'.format(icmpv6.id, icmpv6.seq, echo_id, echo_seq))